OBD2 FAULT CODES P2000⇒P2BAE
| Code | Definition |
| P2000 | nox Adsorber Efficiency Below Threshold |
| P2001 | nox Adsorber Efficiency Below Threshold |
| P2002 | Diesel Particulate Filter Efficiency Below Threshold |
| P2003 | Diesel Particulate Filter Efficiency Below Threshold |
| P2004 | Intake Manifold Runner Control Stuck Open |
| P2005 | Intake Manifold Runner Control Stuck Open |
| P2006 | Intake Manifold Runner Control Stuck Closed |
| P2007 | Intake Manifold Runner Control Stuck Closed |
| P2008 | Intake Manifold Runner Control Circuit/Open |
| P2009 | Intake Manifold Runner Control Circuit Low |
| P200A | Intake Manifold Runner Performance |
| P200B | Intake Manifold Runner Performance |
| P200C | Diesel Particulate Filter Over Temperature |
| P200D | Diesel Particulate Filter Over Temperature |
| P200E | Catalyst System Over Temperature |
| P200F | Catalyst System Over Temperature |
| P2010 | Intake Manifold Runner Control Circuit High |
| P2011 | Intake Manifold Runner Control Circuit/Open |
| P2012 | Intake Manifold Runner Control Circuit Low |
| P2013 | Intake Manifold Runner Control Circuit High |
| P2014 | Intake Manifold Runner Position Sensor/Switch Circuit |
| P2015 | Intake Manifold Runner Position Sensor/Switch Circuit |
| P2016 | Intake Manifold Runner Position Sensor/Switch Circuit Low |
| P2017 | Intake Manifold Runner Position Sensor/Switch Circuit High |
| P2018 | Intake Manifold Runner Position Sensor/Switch Circuit Intermittent |
| P2019 | Intake Manifold Runner Position Sensor/Switch Circuit |
| P201A | Reductant Injection Valve Circuit Range/Performance |
| P2020 | Intake Manifold Runner Position Sensor/Switch Circuit |
| P2021 | Intake Manifold Runner Position Sensor/Switch Circuit Low |
| P2022 | Intake Manifold Runner Position Sensor/Switch Circuit High |
| P2023 | Intake Manifold Runner Position Sensor/Switch Circuit Intermittent |
| P2024 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor |
| P2025 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor |
| P2026 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor |
| P2027 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor |
| P2028 | Evaporative Emissions (EVAP) Fuel Vapor Temperature Sensor |
| P2029 | Fuel Fired Heater Disabled |
| P202A | Reductant Tank Heater Control Circuit/Open |
| P202B | Reductant Tank Heater Control Circuit Low |
| P202C | Reductant Tank Heater Control Circuit High |
| P202D | Reductant Leakage |
| P202E | Reductant Injection Valve Circuit Range/Performance |
| P202F | Reductant/Regeneration Supply Control Circuit Range/Performance |
| P2030 | Fuel Fired Heater Performance |
| P2031 | Exhaust Gas Temperature Sensor Circuit |
| P2032 | Exhaust Gas Temperature Sensor Circuit Low |
| P2033 | Exhaust Gas Temperature Sensor Circuit High |
| P2034 | Exhaust Gas Temperature Sensor Circuit |
| P2035 | Exhaust Gas Temperature Sensor Circuit Low |
| P2036 | Exhaust Gas Temperature Sensor Circuit High |
| P2037 | Reductant Injection Air Pressure Sensor “A” Circuit |
| P2038 | Reductant Injection Air Pressure Sensor “A” Circuit |
| P2039 | Reductant Injection Air Pressure Sensor “A” Circuit Low |
| P203A | Reductant Level Sensor Circuit |
| P203B | Reductant Level Sensor Circuit Range/Performance |
| P203C | Reductant Level Sensor Circuit Low |
| P203D | Reductant Level Sensor Circuit High |
| P203E | Reductant Level Sensor Circuit Intermittent/Erratic |
| P203F | Reductant Level Too Low |
| P2040 | Reductant Injection Air Pressure Sensor “A” Circuit High |
| P2041 | Reductant Injection Air Pressure Sensor “A” Circuit Intermittent |
| P2042 | Reductant Temperature Sensor Circuit |
| P2043 | Reductant Temperature Sensor Circuit Range/Performance |
| P2044 | Reductant Temperature Sensor Circuit Low |
| P2045 | Reductant Temperature Sensor Circuit High |
| P2046 | Reductant Temperature Sensor Circuit Intermittent |
| P2047 | Reductant Injection Valve Circuit/Open |
| P2048 | Reductant Injection Valve Circuit Low |
| P2049 | Reductant Injection Valve Circuit High |
| P204A | Reductant Pressure Sensor Circuit |
| P204B | Reductant Pressure Sensor Circuit Range/Performance |
| P204C | Reductant Pressure Sensor Circuit Low |
| P204D | Reductant Pressure Sensor Circuit High |
| P204E | Reductant Pressure Sensor Circuit Intermittent/Erratic |
| P204F | Reductant System Performance |
| P2050 | Reductant Injection Valve Circuit/Open |
| P2051 | Reductant Injection Valve Circuit Low |
| P2052 | Reductant Injection Valve Circuit High |
| P2053 | Reductant Injection Valve Circuit/Open |
| P2054 | Reductant Injection Valve Circuit Low |
| P2055 | Reductant Injection Valve Circuit High |
| P2056 | Reductant Injection Valve Circuit/Open |
| P2057 | Reductant Injection Valve Circuit Low |
| P2058 | Reductant Injection Valve Circuit High |
| P2059 | Reductant Injection Air Pump Control Circuit/Open |
| P205A | Reductant Tank Temperature Sensor Circuit |
| P205B | Reductant Tank Temperature Sensor Circuit Range/Performance |
| P205C | Reductant Tank Temperature Sensor Circuit Low |
| P205D | Reductant Tank Temperature Sensor Circuit High |
| P205E | Reductant Tank Temperature Sensor Circuit Intermittent/Erratic |
| P205F | Reductant System Performance |
| P2 OBD2 Codes List – [obdadvisor.com/codes] | |
| 6/8/2022 3 | |
| P2060 | Reductant Injection Air Pump Control Circuit Low |
| P2061 | Reductant Injection Air Pump Control Circuit High |
| P2062 | Reductant/Regeneration Supply Control Circuit/Open |
| P2063 | Reductant/Regeneration Supply Control Circuit Low |
| P2064 | Reductant/Regeneration Supply Control Circuit High |
| P2065 | Fuel Level Sensor “B” Circuit |
| P2066 | Fuel Level Sensor “B” Performance |
| P2067 | Fuel Level Sensor “B” Circuit Low |
| P2068 | Fuel Level Sensor “B” Circuit High |
| P2069 | Fuel Level Sensor “B” Circuit Intermittent |
| P206A | Reductant Quality Sensor Circuit |
| P206B | Reductant Quality Sensor Circuit Range/Performance |
| P206C | Reductant Quality Sensor Circuit Low |
| P206D | Reductant Quality Sensor Circuit High |
| P206E | Intake Manifold Tuning (IMT) Valve Stuck Open |
| P206F | Intake Manifold Tuning (IMT) Valve Stuck Closed |
| P2070 | Intake Manifold Tuning (IMT) Valve Stuck Open |
| P2071 | Intake Manifold Tuning (IMT) Valve Stuck Closed |
| P2072 | Throttle Actuator Control System – Ice Blockage |
| P2073 | Manifold Absolute Pressure/Mass Air Flow – Throttle Position |
| P2074 | Manifold Absolute Pressure/Mass Air Flow – Throttle Position |
| P2075 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P2076 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P2077 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P2078 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P2079 | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P207A | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P207B | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P207C | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P207D | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P207E | Intake Manifold Tuning (IMT) Valve Position Sensor/Switch Circuit |
| P207F | Reductant Quality Performance |
| P2080 | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P2081 | Exhaust Gas Temperature Sensor Circuit Intermittent |
| P2082 | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P2083 | Exhaust Gas Temperature Sensor Circuit Intermittent |
| P2084 | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P2085 | Exhaust Gas Temperature Sensor Circuit Intermittent |
| P2086 | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P2087 | Exhaust Gas Temperature Sensor Circuit Intermittent |
| P2088 | “A” Camshaft Position Actuator Control Circuit Low |
| P2089 | “A” Camshaft Position Actuator Control Circuit High |
| P208A | Reductant Pump Control Circuit/Open |
| P208B | Reductant Pump Control Range/Performance |
| P208C | Reductant Pump Control Circuit Low |
| P208D | Reductant Pump Control Circuit High |
| P208E | Reductant Injection Valve Stuck Closed |
| P208F | Reductant Injection Valve Stuck Closed |
| P2090 | “B” Camshaft Position Actuator Control Circuit Low |
| P2091 | “B” Camshaft Position Actuator Control Circuit High |
| P2092 | “A” Camshaft Position Actuator Control Circuit Low |
| P2093 | “A” Camshaft Position Actuator Control Circuit High |
| P2094 | “B” Camshaft Position Actuator Control Circuit Low |
| P2095 | “B” Camshaft Position Actuator Control Circuit High |
| P2096 | Post Catalyst Fuel Trim System Too Lean |
| P2097 | Post Catalyst Fuel Trim System Too Rich |
| P2098 | Post Catalyst Fuel Trim System Too Lean |
| P2099 | Post Catalyst Fuel Trim System Too Rich |
| P209A | Reductant Injection Air Pressure Sensor “B” Circuit |
| P209B | Reductant Injection Air Pressure Sensor “B” Circuit |
| P209C | Reductant Injection Air Pressure Sensor “B” Circuit Low |
| P209D | Reductant Injection Air Pressure Sensor “B” Circuit High |
| P209E | Reductant Injection Air Pressure Sensor “A”/”B” Correlation |
| P209F | Reductant Tank Heater Control Circuit Performance |
| P20A0 | Reductant Purge Control Valve Circuit /Open |
| P20A1 | Reductant Purge Control Valve Performance |
| P20A2 | Reductant Purge Control Valve Circuit Low |
| P20A3 | Reductant Purge Control Valve Circuit High |
| P20A4 | Reductant Purge Control Valve Stuck Open |
| P20A5 | Reductant Purge Control Valve Stuck Closed |
| P20A6 | Reductant Injection Air Pressure Control Valve Circuit/Open |
| P20A7 | Reductant Injection Air Pressure Control Valve Performance |
| P20A8 | Reductant Injection Air Pressure Control Valve Circuit Low |
| P20A9 | Reductant Injection Air Pressure Control Valve Circuit High |
| P20AA | Reductant Injection Air Pressure Control Valve Stuck Open |
| P20AB | Reductant Injection Air Pressure Control Valve Stuck Closed |
| P20AC | Reductant Metering Unit Temperature Sensor Circuit |
| P20AD | Reductant Metering Unit Temperature Sensor Circuit |
| P20AE | Reductant Metering Unit Temperature Sensor Circuit Low |
| P20AF | Reductant Metering Unit Temperature Sensor Circuit High |
| P20B0 | Reductant Metering Unit Temperature Sensor Circuit |
| P20B1 | Reductant Heater Coolant Control Valve Circuit/Open |
| P20B2 | Reductant Heater Coolant Control Valve Performance |
| P20B3 | Reductant Heater Coolant Control Valve Circuit Low |
| P20B4 | Reductant Heater Coolant Control Valve Circuit High |
| P20B5 | Reductant Metering Unit Heater Control Circuit/Open |
| P20B6 | Reductant Metering Unit Heater Control Circuit Performance |
| P20B7 | Reductant Metering Unit Heater Control Circuit Low |
| P20B8 | Reductant Metering Unit Heater Control Circuit High |
| P20B9 | Reductant Heater “A” Control Circuit/Open |
| P20BA | Reductant Heater “A” Control Circuit Performance |
| P20BB | Reductant Heater “A” Control Circuit Low |
| P20BC | Reductant Heater “A” Control Circuit High |
| P20BD | Reductant Heater “B” Control Circuit/Open |
| P20BE | Reductant Heater “B” Control Circuit Performance |
| P20BF | Reductant Heater “B” Control Circuit Low |
| P20C0 | Reductant Heater “B” Control Circuit High |
| P20C1 | Reductant Heater “C” Control Circuit/Open |
| P20C2 | Reductant Heater “C” Control Circuit Performance |
| P20C3 | Reductant Heater “C” Control Circuit Low |
| P20C4 | Reductant Heater “C” Control Circuit High |
| P20C5 | Reductant Heater “D” Control Circuit/Open |
| P20C6 | Reductant Heater “D” Control Circuit Performance |
| P20C7 | Reductant Heater “D” Control Circuit Low |
| P20C8 | Reductant Heater “D” Control Circuit High |
| P20C9 | Reductant Control Module Requested MIL Illumination |
| P20CA | Reductant Injection Air Pressure Leakage |
| P20CB | Exhaust Aftertreatment Fuel Injector “A” Control Circuit/Open |
| P20CC | Exhaust Aftertreatment Fuel Injector “A” Control Performance |
| P20CD | Exhaust Aftertreatment Fuel Injector “A” Control Circuit Low |
| P20CE | Exhaust Aftertreatment Fuel Injector “A” Control Circuit High |
| P20CF | Exhaust Aftertreatment Fuel Injector “A” Stuck Open |
| P20D0 | Exhaust Aftertreatment Fuel Injector “A” Stuck Closed |
| P20D1 | Exhaust Aftertreatment Fuel Injector “B” Control Circuit/Open |
| P20D2 | Exhaust Aftertreatment Fuel Injector “B” Control Performance |
| P20D3 | Exhaust Aftertreatment Fuel Injector “B” Control Circuit Low |
| P20D4 | Exhaust Aftertreatment Fuel Injector “B” Control Circuit High |
| P20D5 | Exhaust Aftertreatment Fuel Injector “B” Stuck Open |
| P20D6 | Exhaust Aftertreatment Fuel Injector “B” Stuck Closed |
| P20D7 | Exhaust Aftertreatment Fuel Supply Control Circuit/Open |
| P20D8 | Exhaust Aftertreatment Fuel Supply Control Performance |
| P20D9 | Exhaust Aftertreatment Fuel Supply Control Circuit Low |
| P20DA | Exhaust Aftertreatment Fuel Supply Control Circuit High |
| P20DB | Exhaust Aftertreatment Fuel Supply Control Stuck Open |
| P20DC | Exhaust Aftertreatment Fuel Supply Control Stuck Closed |
| P20DD | Exhaust Aftertreatment Fuel Pressure Sensor Circuit |
| P20DE | Exhaust Aftertreatment Fuel Pressure Sensor Circuit |
| P20DF | Exhaust Aftertreatment Fuel Pressure Sensor Circuit Low |
| P20E0 | Exhaust Aftertreatment Fuel Pressure Sensor Circuit High |
| P20E1 | Exhaust Aftertreatment Fuel Pressure Sensor Circuit |
| P20E2 | Exhaust Gas Temperature Sensor 1/2 Correlation |
| P20E3 | Exhaust Gas Temperature Sensor 1/3 Correlation |
| P20E4 | Exhaust Gas Temperature Sensor 2/3 Correlation |
| P20E5 | Exhaust Gas Temperature Sensor 1/2 Correlation |
| P20E6 | Reductant Injection Air Pressure Too Low |
| P20E7 | Reductant Injection Air Pressure Too High |
| P20E8 | Reductant Pressure Too Low |
| P20E9 | Reductant Pressure Too High |
| P20EA | Reductant Control Module Power Relay De-Energized Performance |
| P20EB | Reductant Control Module Power Relay De-Energized Performance |
| P20EC | SCR nox Catalyst – Over Temperature |
| P20ED | SCR nox Pre-Catalyst – Over Temperature |
| P20EE | SCR nox Catalyst Efficiency Below Threshold |
| P20EF | SCR nox Pre- Catalyst Efficiency Below Threshold |
| P2 OBD2 Codes List – [obdadvisor.com/codes] | |
| 6/8/2022 6 | |
| P20F0 | SCR nox Catalyst – Over Temperature |
| P20F1 | SCR nox Pre-Catalyst – Over Temperature |
| P20F2 | SCR nox Catalyst Efficiency Below Threshold |
| P20F3 | SCR nox Pre- Catalyst Efficiency Below Threshold |
| P20F4 | Reductant Consumption Too Low |
| P20F5 | Reductant Consumption Too High |
| P20F6 | Reductant Injection Valve Stuck Open |
| P20F7 | Reductant Injection Valve Stuck Open |
| P2100 | Throttle Actuator “A” Control Motor Circuit/Open |
| P2101 | Throttle Actuator “A” Control Motor Circuit Range/Performance |
| P2102 | Throttle Actuator “A” Control Motor Circuit Low |
| P2103 | Throttle Actuator “A” Control Motor Circuit High |
| P2104 | Throttle Actuator Control System – Forced Idle |
| P2105 | Throttle Actuator Control System – Forced Engine Shutdown |
| P2106 | Throttle Actuator Control System – Forced Limited Power |
| P2107 | Throttle Actuator Control Module Processor |
| P2108 | Throttle Actuator Control Module Performance |
| P2109 | Throttle/Pedal Position Sensor “A” Minimum Stop Performance |
| P210A | Throttle Actuator “B” Control Motor Circuit/Open |
| P210B | Throttle Actuator “B” Control Motor Circuit Range/Performance |
| P210C | Throttle Actuator “B” Control Motor Circuit Low |
| P210D | Throttle Actuator “B” Control Motor Circuit High |
| P210E | Throttle/Pedal Position Sensor/Switch “C”/”F” Voltage Correlation |
| P2110 | Throttle Actuator Control System – Forced Limited RPM |
| P2111 | Throttle Actuator Control System – Stuck Open |
| P2112 | Throttle Actuator Control System – Stuck Closed |
| P2113 | Throttle/Pedal Position Sensor “B” Minimum Stop Performance |
| P2114 | Throttle/Pedal Position Sensor “C” Minimum Stop Performance |
| P2115 | Throttle/Pedal Position Sensor “D” Minimum Stop Performance |
| P2116 | Throttle/Pedal Position Sensor “E” Minimum Stop Performance |
| P2117 | Throttle/Pedal Position Sensor “F” Minimum Stop Performance |
| P2118 | Throttle Actuator Control Motor Current Range/Performance |
| P2119 | Throttle Actuator Control Throttle Body Range/Performance |
| P2120 | Throttle/Pedal Position Sensor/Switch “D” Circuit |
| P2121 | Throttle/Pedal Position Sensor/Switch “D” Circuit |
| P2122 | Throttle/Pedal Position Sensor/Switch “D” Circuit Low |
| P2123 | Throttle/Pedal Position Sensor/Switch “D” Circuit High |
| P2124 | Throttle/Pedal Position Sensor/Switch “D” Circuit Intermittent |
| P2125 | Throttle/Pedal Position Sensor/Switch “E” Circuit |
| P2126 | Throttle/Pedal Position Sensor/Switch “E” Circuit |
| P2127 | Throttle/Pedal Position Sensor/Switch “E” Circuit Low |
| P2128 | Throttle/Pedal Position Sensor/Switch “E” Circuit High |
| P2129 | Throttle/Pedal Position Sensor/Switch “E” Circuit Intermittent |
| P212A | Throttle Position Sensor/Switch “G” Circuit |
| P212B | Throttle Position Sensor/Switch “G” Circuit Range/Performance |
| P212C | Throttle Position Sensor/Switch “G” Circuit Low |
| P212D | Throttle Position Sensor/Switch “G” Circuit High |
| P212E | Throttle Position Sensor/Switch “G” Circuit Intermittent |
| P2130 | Throttle/Pedal Position Sensor/Switch “F” Circuit |
| P2131 | Throttle/Pedal Position Sensor/Switch “F” Circuit |
| P2132 | Throttle/Pedal Position Sensor/Switch “F” Circuit Low |
| P2133 | Throttle/Pedal Position Sensor/Switch “F” Circuit High |
| P2134 | Throttle/Pedal Position Sensor/Switch “F” Circuit Intermittent |
| P2135 | Throttle/Pedal Position Sensor/Switch “A”/”B” Voltage Correlation |
| P2136 | Throttle/Pedal Position Sensor/Switch “A”/”C” Voltage Correlation |
| P2137 | Throttle/Pedal Position Sensor/Switch “B”/”C” Voltage Correlation |
| P2138 | Throttle/Pedal Position Sensor/Switch “D”/”E” Voltage Correlation |
| P2139 | Throttle/Pedal Position Sensor/Switch “D”/”F” Voltage Correlation |
| P213A | Exhaust Gas Recirculation Throttle Control Circuit “B” /Open |
| P213B | Exhaust Gas Recirculation Throttle Control Circuit “B” |
| P213C | Exhaust Gas Recirculation Throttle Control Circuit “B” Low |
| P213D | Exhaust Gas Recirculation Throttle Control Circuit “B” High |
| P213E | Fuel Injection System Fault – Forced Engine Shutdown |
| P213F | Fuel Pump System Fault – Forced Engine Shutdown |
| P2140 | Throttle/Pedal Position Sensor/Switch “E”/”F” Voltage Correlation |
| P2141 | Exhaust Gas Recirculation Throttle Control Circuit “A” Low |
| P2142 | Exhaust Gas Recirculation Throttle Control Circuit “A” High |
| P2143 | Exhaust Gas Recirculation Vent Control Circuit/Open |
| P2144 | Exhaust Gas Recirculation Vent Control Circuit Low |
| P2145 | Exhaust Gas Recirculation Vent Control Circuit High |
| P2146 | Fuel Injector Group “A” Supply Voltage Circuit/Open |
| P2147 | Fuel Injector Group “A” Supply Voltage Circuit Low |
| P2148 | Fuel Injector Group “A” Supply Voltage Circuit High |
| P2149 | Fuel Injector Group “B” Supply Voltage Circuit/Open |
| P2150 | Fuel Injector Group “B” Supply Voltage Circuit Low |
| P2151 | Fuel Injector Group “B” Supply Voltage Circuit High |
| P2152 | Fuel Injector Group “C” Supply Voltage Circuit/Open |
| P2153 | Fuel Injector Group “C” Supply Voltage Circuit Low |
| P2154 | Fuel Injector Group “C” Supply Voltage Circuit High |
| P2155 | Fuel Injector Group “D” Supply Voltage Circuit/Open |
| P2156 | Fuel Injector Group “D” Supply Voltage Circuit Low |
| P2157 | Fuel Injector Group “D” Supply Voltage Circuit High |
| P2158 | Vehicle Speed Sensor “B” |
| P2159 | Vehicle Speed Sensor “B” Range/Performance |
| P215A | Vehicle Speed – Wheel Speed Correlation |
| P215B | Vehicle Speed – Output Shaft Speed Correlation |
| P215C | Output Shaft Speed – Wheel Speed Correlation |
| P2160 | Vehicle Speed Sensor “B” Circuit Low |
| P2161 | Vehicle Speed Sensor “B” Intermittent/Erratic/High |
| P2162 | Vehicle Speed Sensor “A”/”B” Correlation |
| P2163 | Throttle/Pedal Position Sensor “A” Maximum Stop Performance |
| P2164 | Throttle/Pedal Position Sensor “B” Maximum Stop Performance |
| P2165 | Throttle/Pedal Position Sensor “C” Maximum Stop Performance |
| P2166 | Throttle/Pedal Position Sensor “D” Maximum Stop Performance |
| P2167 | Throttle/Pedal Position Sensor “E” Maximum Stop Performance |
| P2168 | Throttle/Pedal Position Sensor “F” Maximum Stop Performance |
| P2169 | Exhaust Pressure Regulator Vent Solenoid Control Circuit/Open |
| P216A | Fuel Injector Group “E” Supply Voltage Circuit/Open |
| P216B | Fuel Injector Group “E” Supply Voltage Circuit Low |
| P216C | Fuel Injector Group “E” Supply Voltage Circuit High |
| P216D | Fuel Injector Group “F” Supply Voltage Circuit/Open |
| P216E | Fuel Injector Group “F” Supply Voltage Circuit Low |
| P216F | Fuel Injector Group “F” Supply Voltage Circuit High |
| P2170 | Exhaust Pressure Regulator Vent Solenoid Control Circuit Low |
| P2171 | Exhaust Pressure Regulator Vent Solenoid Control Circuit High |
| P2172 | Throttle Actuator Control System – Sudden High Air Flow Detected |
| P2173 | Throttle Actuator Control System – High Air Flow Detected |
| P2174 | Throttle Actuator Control System – Sudden Low Air Flow Detected |
| P2175 | Throttle Actuator Control System – Low Air Flow Detected |
| P2176 | Throttle Actuator Control System – Idle Position not Learned |
| P2177 | System Too Lean Off Idle |
| P2178 | System Too Rich Off Idle |
| P2179 | System Too Lean Off Idle |
| P217A | Fuel Injector Group “G” Supply Voltage Circuit/Open |
| P217B | Fuel Injector Group “G” Supply Voltage Circuit Low |
| P217C | Fuel Injector Group “G” Supply Voltage Circuit High |
| P217D | Fuel Injector Group “H” Supply Voltage Circuit/Open |
| P217E | Fuel Injector Group “H” Supply Voltage Circuit Low |
| P217F | Fuel Injector Group “H” Supply Voltage Circuit High |
| P2180 | System Too Rich Off Idle |
| P2181 | Cooling System Performance |
| P2182 | Engine Coolant Temperature Sensor 2 Circuit |
| P2183 | Engine Coolant Temperature Sensor 2 Circuit Range/Performance |
| P2184 | Engine Coolant Temperature Sensor 2 Circuit Low |
| P2185 | Engine Coolant Temperature Sensor 2 Circuit High |
| P2186 | Engine Coolant Temperature Sensor 2 Circuit Intermittent/Erratic |
| P2187 | System Too Lean at Idle |
| P2188 | System Too Rich at Idle |
| P2189 | System Too Lean at Idle |
| P2190 | System Too Rich at Idle |
| P2191 | System Too Lean at Higher Load |
| P2192 | System Too Rich at Higher Load |
| P2193 | System Too Lean at Higher Load |
| P2194 | System Too Rich at Higher Load |
| P2195 | O2 Sensor Signal Biased/Stuck Lean |
| P2196 | O2 Sensor Signal Biased/Stuck Rich |
| P2197 | O2 Sensor Signal Biased/Stuck Lean |
| P2198 | O2 Sensor Signal Biased/Stuck Rich |
| P2199 | Intake Air Temperature Sensor 1/2 Correlation |
| P2200 | nox Sensor Circuit |
| P2201 | nox Sensor Circuit Range/Performance |
| P2202 | nox Sensor Circuit Low |
| P2203 | nox Sensor Circuit High |
| P2204 | nox Sensor Circuit Intermittent |
| P2205 | nox Sensor Heater Control Circuit/Open |
| P2206 | nox Sensor Heater Control Circuit Low |
| P2207 | nox Sensor Heater Control Circuit High |
| P2208 | nox Sensor Heater Sense Circuit |
| P2209 | nox Sensor Heater Sense Circuit Range/Performance |
| P2210 | nox Sensor Heater Sense Circuit Low |
| P2211 | nox Sensor Heater Sense Circuit High |
| P2212 | nox Sensor Heater Sense Circuit Intermittent |
| P2213 | nox Sensor Circuit |
| P2214 | nox Sensor Circuit Range/Performance |
| P2215 | nox Sensor Circuit Low |
| P2216 | nox Sensor Circuit High |
| P2217 | nox Sensor Circuit Intermittent |
| P2218 | nox Sensor Heater Control Circuit/Open |
| P2219 | nox Sensor Heater Control Circuit Low |
| P2220 | nox Sensor Heater Control Circuit High |
| P2221 | nox Sensor Heater Sense Circuit |
| P2222 | nox Sensor Heater Sense Circuit Range/Performance |
| P2223 | nox Sensor Heater Sense Circuit Low |
| P2224 | nox Sensor Heater Sense Circuit High |
| P2225 | nox Sensor Heater Sense Circuit Intermittent |
| P2226 | Barometric Pressure Sensor “A” Circuit |
| P2227 | Barometric Pressure Sensor “A” Circuit Range/Performance |
| P2228 | Barometric Pressure Sensor “A” Circuit Low |
| P2229 | Barometric Pressure Sensor “A” Circuit High |
| P222A | Barometric Pressure Sensor “B” Circuit |
| P222B | Barometric Pressure Sensor “B” Circuit Range/Performance |
| P222C | Barometric Pressure Sensor “B” Circuit Low |
| P222D | Barometric Pressure Sensor “B” Circuit High |
| P222E | Barometric Pressure Sensor “B” Circuit Intermittent/Erratic |
| P222F | Barometric Pressure Sensor “A”/”B” Correlation |
| P2230 | Barometric Pressure Sensor “A” Circuit Intermittent/Erratic |
| P2231 | O2 Sensor Signal Circuit Shorted to Heater Circuit |
| P2232 | O2 Sensor Signal Circuit Shorted to Heater Circuit |
| P2233 | O2 Sensor Signal Circuit Shorted to Heater Circuit |
| P2234 | O2 Sensor Signal Circuit Shorted to Heater Circuit |
| P2235 | O2 Sensor Signal Circuit Shorted to Heater Circuit |
| P2236 | O2 Sensor Signal Circuit Shorted to Heater Circuit |
| P2237 | O2 Sensor Positive Current Control Circuit/Open |
| P2238 | O2 Sensor Positive Current Control Circuit Low |
| P2239 | O2 Sensor Positive Current Control Circuit High |
| P2240 | O2 Sensor Positive Current Control Circuit/Open |
| P2241 | O2 Sensor Positive Current Control Circuit Low |
| P2242 | O2 Sensor Positive Current Control Circuit High |
| P2243 | O2 Sensor Reference Voltage Circuit/Open |
| P2244 | O2 Sensor Reference Voltage Performance |
| P2245 | O2 Sensor Reference Voltage Circuit Low |
| P2246 | O2 Sensor Reference Voltage Circuit High |
| P2247 | O2 Sensor Reference Voltage Circuit/Open |
| P2248 | O2 Sensor Reference Voltage Performance |
| P2249 | O2 Sensor Reference Voltage Circuit Low |
| P2250 | O2 Sensor Reference Voltage Circuit High |
| P2251 | O2 Sensor Negative Current Control Circuit/Open |
| P2252 | O2 Sensor Negative Current Control Circuit Low |
| P2253 | O2 Sensor Negative Current Control Circuit High |
| P2254 | O2 Sensor Negative Current Control Circuit/Open |
| P2255 | O2 Sensor Negative Current Control Circuit Low |
| P2256 | O2 Sensor Negative Current Control Circuit High |
| P2257 | Secondary Air Injection System Control “A” Circuit Low |
| P2258 | Secondary Air Injection System Control “A” Circuit High |
| P2259 | Secondary Air Injection System Control “B” Circuit Low |
| P2260 | Secondary Air Injection System Control “B” Circuit High |
| P2261 | Turbocharger/Supercharger Bypass Valve – Mechanical |
| P2262 | Turbocharger/Supercharger Boost Pressure not Detected – |
| P2263 | Turbocharger/Supercharger Boost System Performance |
| P2264 | Water in Fuel Sensor Circuit |
| P2265 | Water in Fuel Sensor Circuit Range/Performance |
| P2266 | Water in Fuel Sensor Circuit Low |
| P2267 | Water in Fuel Sensor Circuit High |
| P2268 | Water in Fuel Sensor Circuit Intermittent |
| P2269 | Water in Fuel Condition |
| P226A | Water in Fuel Lamp Control Circuit |
| P226B | Turbocharger/Supercharger Boost Pressure Too High – Mechanical |
| P2270 | O2 Sensor Signal Biased/Stuck Lean |
| P2271 | O2 Sensor Signal Biased/Stuck Rich |
| P2272 | O2 Sensor Signal Biased/Stuck Lean |
| P2273 | O2 Sensor Signal Biased/Stuck Rich |
| P2274 | O2 Sensor Signal Biased/Stuck Lean |
| P2275 | O2 Sensor Signal Biased/Stuck Rich |
| P2276 | O2 Sensor Signal Biased/Stuck Lean |
| P2277 | O2 Sensor Signal Biased/Stuck Rich |
| P2278 | O2 Sensor Signals Swapped Bank 1 Sensor 3/Bank 2 Sensor 3 |
| P2279 | Intake Air System Leak |
| P2280 | Air Flow Restriction/Air Leak Between Air Filter and MAF |
| P2281 | Air Leak Between MAF and Throttle Body |
| P2282 | Air Leak Between Throttle Body and Intake Valves |
| P2283 | Injector Control Pressure Sensor Circuit |
| P2284 | Injector Control Pressure Sensor Circuit Range/Performance |
| P2285 | Injector Control Pressure Sensor Circuit Low |
| P2286 | Injector Control Pressure Sensor Circuit High |
| P2287 | Injector Control Pressure Sensor Circuit Intermittent |
| P2288 | Injector Control Pressure Too High |
| P2289 | Injector Control Pressure Too High – Engine Off |
| P228A | Fuel Pressure Regulator 1 – Forced Engine Shutdown |
| P228B | Fuel Pressure Regulator 2 – Forced Engine Shutdown |
| P228C | Fuel Pressure Regulator 1 Exceeded Control Limits – Pressure Too |
| P228D | Fuel Pressure Regulator 1 Exceeded Control Limits – Pressure Too |
| P228E | Fuel Pressure Regulator 1 Exceeded Learning Limits – Too Low |
| P228F | Fuel Pressure Regulator 1 Exceeded Learning Limits – Too High |
| P2290 | Injector Control Pressure Too Low |
| P2291 | Injector Control Pressure Too Low – Engine Cranking |
| P2292 | Injector Control Pressure Erratic |
| P2293 | Fuel Pressure Regulator 2 Performance |
| P2294 | Fuel Pressure Regulator 2 Control Circuit/Open |
| P2295 | Fuel Pressure Regulator 2 Control Circuit Low |
| P2296 | Fuel Pressure Regulator 2 Control Circuit High |
| P2297 | O2 Sensor Out of Range During Deceleration |
| P2298 | O2 Sensor Out of Range During Deceleration |
| P2299 | Brake Pedal Position/Accelerator Pedal Position Incompatible |
| P229A | Fuel Pressure Regulator 2 Exceeded Control Limits – Pressure Too |
| P229B | Fuel Pressure Regulator 2 Exceeded Control Limits – Pressure Too |
| P229C | Fuel Pressure Regulator 2 Exceeded Learning Limits – Too Low |
| P229D | Fuel Pressure Regulator 2 Exceeded Learning Limits – Too High |
| P2400 | Evaporative Emission System Leak Detection Pump Control |
| P2401 | Evaporative Emission System Leak Detection Pump Control Circuit |
| P2402 | Evaporative Emission System Leak Detection Pump Control Circuit |
| P2403 | Evaporative Emission System Leak Detection Pump Sense |
| P2404 | Evaporative Emission System Leak Detection Pump Sense Circuit |
| P2405 | Evaporative Emission System Leak Detection Pump Sense Circuit |
| P2406 | Evaporative Emission System Leak Detection Pump Sense Circuit |
| P2407 | Evaporative Emission System Leak Detection Pump Sense Circuit |
| P2408 | Fuel Cap Sensor/Switch Circuit |
| P2409 | Fuel Cap Sensor/Switch Circuit Range/Performance |
| P240A | Evaporative Emission System Leak Detection Pump Heater Control |
| P240B | Evaporative Emission System Leak Detection Pump Heater Control |
| P240C | Evaporative Emission System Leak Detection Pump Heater Control |
| P2410 | Fuel Cap Sensor/Switch Circuit Low |
| P2411 | Fuel Cap Sensor/Switch Circuit High |
| P2412 | Fuel Cap Sensor/Switch Circuit Intermittent/Erratic |
| P2413 | Exhaust Gas Recirculation System Performance |
| P2414 | O2 Sensor Exhaust Sample Error |
| P2415 | O2 Sensor Exhaust Sample Error |
| P2416 | O2 Sensor Signals Swapped Bank 1 Sensor 2/Bank 1 Sensor 3 |
| P2417 | O2 Sensor Signals Swapped Bank 2 Sensor 2/Bank 2 Sensor 3 |
| P2418 | Evaporative Emission System Switching Valve Control Circuit/Open |
| P2419 | Evaporative Emission System Switching Valve Control Circuit Low |
| P2420 | Evaporative Emission System Switching Valve Control Circuit High |
| P2421 | Evaporative Emission System Vent Valve Stuck Open |
| P2422 | Evaporative Emission System Vent Valve Stuck Closed |
| P2423 | HC Adsorption Catalyst Efficiency Below Threshold |
| P2424 | HC Adsorption Catalyst Efficiency Below Threshold |
| P2425 | Exhaust Gas Recirculation Cooling Valve Control Circuit/Open |
| P2426 | Exhaust Gas Recirculation Cooling Valve Control Circuit Low |
| P2427 | Exhaust Gas Recirculation Cooling Valve Control Circuit High |
| P2428 | Exhaust Gas Temperature Too High |
| P2429 | Exhaust Gas Temperature Too High |
| P242A | Exhaust Gas Temperature Sensor Circuit |
| P242B | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P242C | Exhaust Gas Temperature Sensor Circuit Low |
| P242D | Exhaust Gas Temperature Sensor Circuit High |
| P242E | Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic |
| P242F | Diesel Particulate Filter Restriction – Ash Accumulation |
| P2430 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2431 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2432 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2433 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2434 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2435 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2436 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2437 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2438 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2439 | Secondary Air Injection System Air Flow/Pressure Sensor Circuit |
| P2440 | Secondary Air Injection System Switching Valve Stuck Open |
| P2441 | Secondary Air Injection System Switching Valve Stuck Closed |
| P2442 | Secondary Air Injection System Switching Valve Stuck Open |
| P2443 | Secondary Air Injection System Switching Valve Stuck Closed |
| P2444 | Secondary Air Injection System Pump Stuck On |
| P2445 | Secondary Air Injection System Pump Stuck Off |
| P2446 | Secondary Air Injection System Pump Stuck On |
| P2447 | Secondary Air Injection System Pump Stuck Off |
| P2448 | Secondary Air Injection System High Air Flow |
| P2449 | Secondary Air Injection System High Air Flow |
| P244A | Diesel Particulate Filter Differential Pressure Too Low |
| P244B | Diesel Particulate Filter Differential Pressure Too High |
| P244C | Exhaust Temperature Too Low For Particulate Filter Regeneration |
| P244D | Exhaust Temperature Too High For Particulate Filter Regeneration |
| P244E | Exhaust Temperature Too Low For Particulate Filter Regeneration |
| P244F | Exhaust Temperature Too High For Particulate Filter Regeneration |
| P2450 | Evaporative Emission System Switching Valve Performance/Stuck |
| P2451 | Evaporative Emission System Switching Valve Stuck Closed |
| P2452 | Diesel Particulate Filter Pressure Sensor “A” Circuit |
| P2453 | Diesel Particulate Filter Pressure Sensor “A” Circuit |
| P2454 | Diesel Particulate Filter Pressure Sensor “A” Circuit Low |
| P2455 | Diesel Particulate Filter Pressure Sensor “A” Circuit High |
| P2456 | Diesel Particulate Filter Pressure Sensor “A” Circuit |
| P2457 | Exhaust Gas Recirculation Cooling System Performance |
| P2458 | Diesel Particulate Filter Regeneration Duration |
| P2459 | Diesel Particulate Filter Regeneration Frequency |
| P245A | Exhaust Gas Recirculation Cooler Bypass Control Circuit/Open |
| P245B | Exhaust Gas Recirculation Cooler Bypass Control Circuit |
| P245C | Exhaust Gas Recirculation Cooler Bypass Control Circuit Low |
| P245D | Exhaust Gas Recirculation Cooler Bypass Control Circuit High |
| P245E | Diesel Particulate Filter Pressure Sensor “B” Circuit |
| P245F | Diesel Particulate Filter Pressure Sensor “B” Circuit |
| P2460 | Diesel Particulate Filter Pressure Sensor “B” Circuit Low |
| P2461 | Diesel Particulate Filter Pressure Sensor “B” Circuit High |
| P2462 | Diesel Particulate Filter Pressure Sensor “B” Circuit |
| P2463 | Diesel Particulate Filter Restriction – Soot Accumulation |
| P2464 | Diesel Particulate Filter Differential Pressure Too Low |
| P2465 | Diesel Particulate Filter Differential Pressure Too High |
| P2466 | Exhaust Gas Temperature Sensor Circuit |
| P2467 | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P2468 | Exhaust Gas Temperature Sensor Circuit Low |
| P2469 | Exhaust Gas Temperature Sensor Circuit High |
| P246A | Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic |
| P246B | Vehicle Conditions Incorrect for Diesel Particulate Filter |
| P246C | Diesel Particulate Filter Restriction – Forced Limited Power |
| P246D | Diesel Particulate Filter Pressure Sensor “A”/”B” Correlation |
| P246E | Exhaust Gas Temperature Sensor Circuit |
| P246F | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P2470 | Exhaust Gas Temperature Sensor Circuit Low |
| P2471 | Exhaust Gas Temperature Sensor Circuit High |
| P2472 | Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic |
| P2473 | Exhaust Gas Temperature Sensor Circuit |
| P2474 | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P2475 | Exhaust Gas Temperature Sensor Circuit Low |
| P2476 | Exhaust Gas Temperature Sensor Circuit High |
| P2477 | Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic |
| P2478 | Exhaust Gas Temperature Out of Range |
| P2479 | Exhaust Gas Temperature Out of Range |
| P247A | Exhaust Gas Temperature Out of Range |
| P247B | Exhaust Gas Temperature Out of Range |
| P247C | Exhaust Gas Temperature Out of Range |
| P247D | Exhaust Gas Temperature Out of Range |
| P247E | Exhaust Gas Temperature Out of Range |
| P247F | Exhaust Gas Temperature Out of Range |
| P2480 | Exhaust Gas Temperature Sensor Circuit/Open |
| P2481 | Exhaust Gas Temperature Sensor Circuit Low |
| P2482 | Exhaust Gas Temperature Sensor Circuit High |
| P2483 | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P2484 | Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic |
| P2485 | Exhaust Gas Temperature Sensor Circuit/Open |
| P2486 | Exhaust Gas Temperature Sensor Circuit Low |
| P2487 | Exhaust Gas Temperature Sensor Circuit High |
| P2488 | Exhaust Gas Temperature Sensor Circuit Range/Performance |
| P2489 | Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic |
| P2500 | Generator Lamp/L-Terminal Circuit Low |
| P2501 | Generator Lamp/L-Terminal Circuit High |
| P2502 | Charging System Voltage |
| P2503 | Charging System Voltage Low |
| P2504 | Charging System Voltage High |
| P2505 | ECM/PCM Power Input Signal |
| P2506 | ECM/PCM Power Input Signal Range/Performance |
| P2507 | ECM/PCM Power Input Signal Low |
| P2508 | ECM/PCM Power Input Signal High |
| P2509 | ECM/PCM Power Input Signal Intermittent |
| P250A | Engine Oil Level Sensor Circuit |
| P250B | Engine Oil Level Sensor Circuit Range/Performance |
| P250C | Engine Oil Level Sensor Circuit Low |
| P250D | Engine Oil Level Sensor Circuit High |
| P250E | Engine Oil Level Sensor Circuit Intermittent/Erratic |
| P250F | Engine Oil Level Too Low |
| P2510 | ECM/PCM Power Relay Sense Circuit Range/Performance |
| P2511 | ECM/PCM Power Relay Sense Circuit Intermittent |
| P2512 | Event Data Recorder Request Circuit/ Open |
| P2513 | Event Data Recorder Request Circuit Low |
| P2514 | Event Data Recorder Request Circuit High |
| P2515 | A/C Refrigerant Pressure Sensor “B” Circuit |
| P2516 | A/C Refrigerant Pressure Sensor “B” Circuit Range/Performance |
| P2517 | A/C Refrigerant Pressure Sensor “B” Circuit Low |
| P2518 | A/C Refrigerant Pressure Sensor “B” Circuit High |
| P2519 | A/C Request “A” Circuit |
| P251A | PTO Enable Switch Circuit/Open |
| P251B | PTO Enable Switch Circuit Low |
| P251C | PTO Enable Switch Circuit High |
| P251D | PTO Engine Shutdown Circuit/Open |
| P251E | PTO Engine Shutdown Circuit Low |
| P251F | PTO Engine Shutdown Circuit High |
| P2520 | A/C Request “A” Circuit Low |
| P2521 | A/C Request “A” Circuit High |
| P2522 | A/C Request “B” Circuit |
| P2523 | A/C Request “B” Circuit Low |
| P2524 | A/C Request “B” Circuit High |
| P2525 | Vacuum Reservoir Pressure Sensor Circuit |
| P2526 | Vacuum Reservoir Pressure Sensor Circuit Range/Performance |
| P2527 | Vacuum Reservoir Pressure Sensor Circuit Low |
| P2528 | Vacuum Reservoir Pressure Sensor Circuit High |
| P2529 | Vacuum Reservoir Pressure Sensor Circuit Intermittent |
| P252A | Engine Oil Quality Sensor Circuit |
| P252B | Engine Oil Quality Sensor Circuit Range/Performance |
| P252C | Engine Oil Quality Sensor Circuit Low |
| P252D | Engine Oil Quality Sensor Circuit High |
| P252E | Engine Oil Quality Circuit Intermittent/Erratic |
| P252F | Engine Oil Level Too High |
| P2530 | Ignition Switch Run Position Circuit |
| P2531 | Ignition Switch Run Position Circuit Low |
| P2532 | Ignition Switch Run Position Circuit High |
| P2533 | Ignition Switch Run/Start Position Circuit |
| P2534 | Ignition Switch Run/Start Position Circuit Low |
| P2535 | Ignition Switch Run/Start Position Circuit High |
| P2536 | Ignition Switch Accessory Position Circuit |
| P2537 | Ignition Switch Accessory Position Circuit Low |
| P2538 | Ignition Switch Accessory Position Circuit High |
| P2539 | Low Pressure Fuel System Sensor Circuit |
| P253A | PTO Sense Circuit/Open |
| P253B | PTO Sense Circuit Range/Performance |
| P253C | PTO Sense Circuit Low |
| P253D | PTO Sense Circuit High |
| P253E | PTO Sense Circuit Intermittent/Erratic |
| P253F | Engine Oil Deteriorated |
| P2540 | Low Pressure Fuel System Sensor Circuit Range/Performance |
| P2541 | Low Pressure Fuel System Sensor Circuit Low |
| P2542 | Low Pressure Fuel System Sensor Circuit High |
| P2543 | Low Pressure Fuel System Sensor Circuit Intermittent |
| P2544 | Torque Management Request Input Signal “A” |
| P2545 | Torque Management Request Input Signal “A” Range/Performance |
| P2546 | Torque Management Request Input Signal “A” Low |
| P2547 | Torque Management Request Input Signal “A” High |
| P2548 | Torque Management Request Input Signal “B” |
| P2549 | Torque Management Request Input Signal “B” Range/Performance |
| P254A | PTO Speed Selector Sensor/Switch 1 Circuit/Open |
| P254B | PTO Speed Selector Sensor/Switch 1 Range/Performance |
| P254C | PTO Speed Selector Sensor/Switch 1 Circuit Low |
| P254D | PTO Speed Selector Sensor/Switch 1 Circuit High |
| P254E | PTO Speed Selector Sensor/Switch 1 Circuit Intermittent/Erratic |
| P254F | Engine Hood Switch Circuit |
| P2550 | Torque Management Request Input Signal “B” Low |
| P2551 | Torque Management Request Input Signal “B” High |
| P2552 | Throttle/Fuel Inhibit Circuit |
| P2553 | Throttle/Fuel Inhibit Circuit Range/Performance |
| P2554 | Throttle/Fuel Inhibit Circuit Low |
| P2555 | Throttle/Fuel Inhibit Circuit High |
| P2556 | Engine Coolant Level Sensor/Switch Circuit |
| P2557 | Engine Coolant Level Sensor/Switch Circuit Range/Performance |
| P2558 | Engine Coolant Level Sensor/Switch Circuit Low |
| P2559 | Engine Coolant Level Sensor/Switch Circuit High |
| P255A | PTO Speed Selector Sensor/Switch 2 Circuit/Open |
| P255B | PTO Speed Selector Sensor/Switch 2 Range/Performance |
| P255C | PTO Speed Selector Sensor/Switch 2 Circuit Low |
| P255D | PTO Speed Selector Sensor/Switch 2 Circuit High |
| P255E | PTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic |
| P255F | A/C Request “A” Circuit Range/Performance |
| P2560 | Engine Coolant Level Low |
| P2561 | A/C Control Module Requested MIL Illumination |
| P2562 | Turbocharger Boost Control Position Sensor “A” Circuit |
| P2563 | Turbocharger Boost Control Position Sensor “A” Circuit |
| P2564 | Turbocharger Boost Control Position Sensor “A” Circuit Low |
| P2565 | Turbocharger Boost Control Position Sensor “A” Circuit High |
| P2566 | Turbocharger Boost Control Position Sensor “A” Circuit Intermittent |
| P2567 | Direct Ozone Reduction Catalyst Temperature Sensor Circuit |
| P2568 | Direct Ozone Reduction Catalyst Temperature Sensor Circuit |
| P2569 | Direct Ozone Reduction Catalyst Temperature Sensor Circuit Low |
| P256A | Engine Idle Speed Selector Sensor/Switch Circuit/Open |
| P256B | Engine Idle Speed Selector Sensor/Switch Range/Performance |
| P256C | Engine Idle Speed Selector Sensor/Switch Circuit Low |
| P256D | Engine Idle Speed Selector Sensor/Switch Circuit High |
| P256E | Engine Idle Speed Selector Sensor/Switch Circuit |
| P256F | A/C Request “B” Circuit Range/Performance |
| P2570 | Direct Ozone Reduction Catalyst Temperature Sensor Circuit High |
| P2571 | Direct Ozone Reduction Catalyst Temperature Sensor Circuit |
| P2572 | Direct Ozone Reduction Catalyst Deterioration Sensor Circuit |
| P2573 | Direct Ozone Reduction Catalyst Deterioration Sensor Circuit |
| P2574 | Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low |
| P2575 | Direct Ozone Reduction Catalyst Deterioration Sensor Circuit High |
| P2576 | Direct Ozone Reduction Catalyst Deterioration Sensor Circuit |
| P2577 | Direct Ozone Reduction Catalyst Efficiency Below Threshold |
| P2578 | Turbocharger Speed Sensor Circuit |
| P2579 | Turbocharger Speed Sensor Circuit Range/Performance |
| P257A | Vacuum Reservoir Control Circuit/Open |
| P257B | Vacuum Reservoir Control Circuit Low |
| P257C | Vacuum Reservoir Control Circuit High |
| P257D | Engine Hood Switch Circuit Range/Performance |
| P257E | Engine Hood Switch Circuit Low |
| P257F | Engine Hood Switch Circuit High |
| P2580 | Turbocharger Speed Sensor Circuit Low |
| P2581 | Turbocharger Speed Sensor Circuit High |
| P2582 | Turbocharger Speed Sensor Circuit Intermittent |
| P2583 | Cruise Control Front Distance Range Sensor |
| P2584 | Fuel Additive Control Module Requested MIL Illumination |
| P2585 | Fuel Additive Control Module Warning Lamp Request |
| P2586 | Turbocharger Boost Control Position Sensor “B” Circuit |
| P2587 | Turbocharger Boost Control Position Sensor “B” Circuit |
| P2588 | Turbocharger Boost Control Position Sensor “B” Circuit Low |
| P2589 | Turbocharger Boost Control Position Sensor “B” Circuit High |
| P258A | Vacuum Pump Control Circuit/Open |
| P258B | Vacuum Pump Control Range/Performance |
| P258C | Vacuum Pump Control Circuit Low |
| P258D | Vacuum Pump Control Circuit High |
| P258E | PTO Enable Switch Performance |
| P258F | Torque Management Request Output Signal |
| P2590 | Turbocharger Boost Control Position Sensor “B” Circuit |
| P2591 | Cruise Control Front Distance Range Sensor |
| P2592 | Cruise Control Front Distance Range Sensor |
| P2700 | Transmission Friction Element “A” Apply Time Range/Performance |
| P2701 | Transmission Friction Element “B” Apply Time Range/Performance |
| P2702 | Transmission Friction Element “C” Apply Time Range/Performance |
| P2703 | Transmission Friction Element “D” Apply Time Range/Performance |
| P2704 | Transmission Friction Element “E” Apply Time Range/Performance |
| P2705 | Transmission Friction Element “F” Apply Time Range/Performance |
| P2706 | Shift Solenoid “F” |
| P2707 | Shift Solenoid “F” Performance/Stuck Off |
| P2708 | Shift Solenoid “F” Stuck On |
| P2709 | Shift Solenoid “F” Electrical |
| P2710 | Shift Solenoid “F” Intermittent |
| P2711 | Unexpected Mechanical Gear Disengagement |
| P2712 | Hydraulic Power Unit Leakage |
| P2713 | Pressure Control Solenoid “D” |
| P2714 | Pressure Control Solenoid “D” Performance/Stuck Off |
| P2715 | Pressure Control Solenoid “D” Stuck On |
| P2716 | Pressure Control Solenoid “D” Electrical |
| P2717 | Pressure Control Solenoid “D” Intermittent |
| P2718 | Pressure Control Solenoid “D” Control Circuit/Open |
| P2719 | Pressure Control Solenoid “D” Control Circuit Range/Performance |
| P2720 | Pressure Control Solenoid “D” Control Circuit Low |
| P2721 | Pressure Control Solenoid “D” Control Circuit High |
| P2722 | Pressure Control Solenoid “E” |
| P2723 | Pressure Control Solenoid “E” Performance/Stuck Off |
| P2724 | Pressure Control Solenoid “E” Stuck On |
| P2725 | Pressure Control Solenoid “E” Electrical |
| P2726 | Pressure Control Solenoid “E” Intermittent |
| P2727 | Pressure Control Solenoid “E” Control Circuit/Open |
| P2728 | Pressure Control Solenoid “E” Control Circuit Range/Performance |
| P2729 | Pressure Control Solenoid “E” Control Circuit Low |
| P2730 | Pressure Control Solenoid “E” Control Circuit High |
| P2731 | Pressure Control Solenoid “F” |
| P2732 | Pressure Control Solenoid “F” Performance/Stuck Off |
| P2733 | Pressure Control Solenoid “F” Stuck On |
| P2734 | Pressure Control Solenoid “F” Electrical |
| P2735 | Pressure Control Solenoid “F” Intermittent |
| P2736 | Pressure Control Solenoid “F” Control Circuit/Open |
| P2737 | Pressure Control Solenoid “F” Control Circuit Range/Performance |
| P2738 | Pressure Control Solenoid “F” Control Circuit Low |
| P2739 | Pressure Control Solenoid “F” Control Circuit High |
| P273A | Transmission Friction Element “G” Apply Time Range/Performance |
| P273B | Transmission Friction Element “H” Apply Time Range/Performance |
| P2740 | Transmission Fluid Temperature Sensor “B” Circuit” |
| P2741 | Transmission Fluid Temperature Sensor “B” Circuit |
| P2742 | Transmission Fluid Temperature Sensor “B” Circuit Low |
| P2743 | Transmission Fluid Temperature Sensor “B” Circuit High |
| P2744 | Transmission Fluid Temperature Sensor “B” Circuit Intermittent |
| P2745 | Intermediate Shaft Speed Sensor “B” Circuit |
| P2746 | Intermediate Shaft Speed Sensor “B” Circuit Range/Performance |
| P2747 | Intermediate Shaft Speed Sensor “B” Circuit no Signal |
| P2748 | Intermediate Shaft Speed Sensor “B” Circuit Intermittent |
| P2749 | Intermediate Shaft Speed Sensor “C” Circuit |
| P2750 | Intermediate Shaft Speed Sensor “C” Circuit Range/Performance |
| P2751 | Intermediate Shaft Speed Sensor “C” Circuit no Signal |
| P2752 | Intermediate Shaft Speed Sensor “C” Circuit Intermittent |
| P2753 | Transmission Fluid Cooler Control Circuit/Open |
| P2754 | Transmission Fluid Cooler Control Circuit Low |
| P2755 | Transmission Fluid Cooler Control Circuit High |
| P2756 | Torque Converter Clutch Pressure Control Solenoid |
| P2757 | Torque Converter Clutch Pressure Control Solenoid Control Circuit |
| P2758 | Torque Converter Clutch Pressure Control Solenoid Control Circuit |
| P2759 | Torque Converter Clutch Pressure Control Solenoid Control Circuit |
| P2760 | Torque Converter Clutch Pressure Control Solenoid Control Circuit |
| P2761 | Torque Converter Clutch Pressure Control Solenoid Control |
| P2762 | Torque Converter Clutch Pressure Control Solenoid Control Circuit |
| P2763 | Torque Converter Clutch Pressure Control Solenoid Control Circuit |
| P2764 | Torque Converter Clutch Pressure Control Solenoid Control Circuit |
| P2765 | Input/Turbine Speed Sensor “B” Circuit |
| P2766 | Input/Turbine Speed Sensor “B” Circuit Range/Performance |
| P2767 | Input/Turbine Speed Sensor “B” Circuit no Signal |
| P2768 | Input/Turbine Speed Sensor “B” Circuit Intermittent |
| P2769 | Torque Converter Clutch Circuit Low |
| P2770 | Torque Converter Clutch Circuit High |
| P2771 | Four Wheel Drive (4WD) Low Switch Circuit |
| P2772 | Four Wheel Drive (4WD) Low Switch Circuit Range/Performance |
| P2773 | Four Wheel Drive (4WD) Low Switch Circuit Low |
| P2774 | Four Wheel Drive (4WD) Low Switch Circuit High |
| P2775 | Upshift Switch Circuit Range/Performance |
| P2776 | Upshift Switch Circuit Low |
| P2777 | Upshift Switch Circuit High |
| P2778 | Upshift Switch Circuit Intermittent/Erratic |
| P2779 | Downshift Switch Circuit Range/Performance |
| P2780 | Downshift Switch Circuit Low |
| P2781 | Downshift Switch Circuit High |
| P2782 | Downshift Switch Circuit Intermittent/Erratic |
| P2783 | Torque Converter Temperature Too High |
| P2784 | Input/Turbine Speed Sensor “A”/”B” Correlation |
| P2785 | Clutch Actuator Temperature Too High |
| P2786 | Gear Shift Actuator Temperature Too High |
| P2787 | Clutch Temperature Too High |
| P2788 | Auto Shift Manual Adaptive Learning at Limit |
| P2789 | Clutch “A” Adaptive Learning at Limit |
| P278A | Kick Down Switch Circuit |
| P278B | Kick Down Switch Circuit Range/Performance |
| P278C | Kick Down Switch Circuit Low |
| P278D | Kick Down Switch Circuit High |
| P278E | Kick Down Switch Circuit Intermittent/Erratic |
| P278F | Clutch “B” Adaptive Learning at Limit |
| P2790 | Gate Select Direction Circuit |
| P2791 | Gate Select Direction Circuit Low |
| P2792 | Gate Select Direction Circuit High |
| P2793 | Gear Shift Direction Circuit |
| P2794 | Gear Shift Direction Circuit Low |
| P2795 | Gear Shift Direction Circuit High |
| P2796 | AUXILIARY Transmission Fluid Pump Control Circuit/Open |
| P2797 | AUXILIARY Transmission Fluid Pump Performance |
| P2798 | AUXILIARY Transmission Fluid Pump Control Circuit Low |
| P2799 | AUXILIARY Transmission Fluid Pump Control Circuit High |
| P279A | Transfer Case Gear High Incorrect Ratio |
| P279B | Transfer Case Gear Low Incorrect Ratio |
| P279C | Transfer Case Gear Neutral Incorrect Ratio |
| P279D | Four Wheel Drive (4WD) Range Signal Circuit |
| P279E | Four Wheel Drive (4WD) Range Signal Circuit Range/Performance |
| P279F | Four Wheel Drive (4WD) Range Signal Circuit Low |
| P27A0 | Four Wheel Drive (4WD) Range Signal Circuit High |
| P2800 | Transmission Range Sensor “B” Circuit (PRNDL Input) |
| P2801 | Transmission Range Sensor “B” Circuit Range/Performance |
| P2802 | Transmission Range Sensor “B” Circuit Low |
| P2803 | Transmission Range Sensor “B” Circuit High |
| P2804 | Transmission Range Sensor “B” Circuit Intermittent |
| P2805 | Transmission Range Sensor “A”/”B” Correlation |
| P2806 | Transmission Range Sensor Alignment |
| P2807 | Pressure Control Solenoid “G” |
| P2808 | Pressure Control Solenoid “G” Performance/Stuck Off |
| P2809 | Pressure Control Solenoid “G” Stuck On |
| P280A | Transmission Range Sensor “A” Circuit not Learned |
| P280B | Transmission Range Sensor “B” Circuit not Learned |
| P2810 | Pressure Control Solenoid “G” Electrical |
| P2811 | Pressure Control Solenoid “G” Intermittent |
| P2812 | Pressure Control Solenoid “G” Control Circuit/Open |
| P2813 | Pressure Control Solenoid “G” Control Circuit Range/Performance |
| P2814 | Pressure Control Solenoid “G” Control Circuit Low |
| P2815 | Pressure Control Solenoid “G” Control Circuit High |
| P2816 | Pressure Control Solenoid “H” |
| P2817 | Pressure Control Solenoid “H” Performance/Stuck Off |
| P2818 | Pressure Control Solenoid “H” Stuck On |
| P2819 | Pressure Control Solenoid “H” Electrical |
| P281A | Pressure Control Solenoid “H” Intermittent |
| P281B | Pressure Control Solenoid “H” Control Circuit/Open |
| P281C | Pressure Control Solenoid “H” Control Circuit Range/Performance |
| P281D | Pressure Control Solenoid “H” Control Circuit Low |
| P281E | Pressure Control Solenoid “H” Control Circuit High |
| P281F | Pressure Control Solenoid “J” |
| P2820 | Pressure Control Solenoid “J” Performance/Stuck Off |
| P2821 | Pressure Control Solenoid “J” Stuck On |
| P2822 | Pressure Control Solenoid “J” Electrical |
| P2823 | Pressure Control Solenoid “J” Intermittent |
| P2824 | Pressure Control Solenoid “J” Control Circuit/Open |
| P2825 | Pressure Control Solenoid “J” Control Circuit Range/Performance |
| P2826 | Pressure Control Solenoid “J” Control Circuit Low |
| P2827 | Pressure Control Solenoid “J” Control Circuit High |
| P2828 | Pressure Control Solenoid “K” |
| P2829 | Pressure Control Solenoid “K” Performance/Stuck Off |
| P282A | Pressure Control Solenoid “K” Stuck On |
| P282B | Pressure Control Solenoid “K” Electrical |
| P282C | Pressure Control Solenoid “K” Intermittent |
| P282D | Pressure Control Solenoid “K” Control Circuit/Open |
| P282E | Pressure Control Solenoid “K” Control Circuit Range/Performance |
| P282F | Pressure Control Solenoid “K” Control Circuit Low |
| P2830 | Pressure Control Solenoid “K” Control Circuit High |
| P2831 | Shift Fork “A” Position Circuit |
| P2832 | Shift Fork “A” Position Circuit Range/Performance |
| P2833 | Shift Fork “A” Position Circuit Low |
| P2834 | Shift Fork “A” Position Circuit High |
| P2835 | Shift Fork “A” Position Circuit Intermittent |
| P2836 | Shift Fork “B” Position Circuit |
| P2837 | Shift Fork “B” Position Circuit Range/Performance |
| P2838 | Shift Fork “B” Position Circuit Low |
| P2839 | Shift Fork “B” Position Circuit High |
| P283A | Shift Fork “B” Position Circuit Intermittent |
| P283B | Shift Fork “C” Position Circuit |
| P283C | Shift Fork “C” Position Circuit Range/Performance |
| P283D | Shift Fork “C” Position Circuit Low |
| P283E | Shift Fork “C” Position Circuit High |
| P283F | Shift Fork “C” Position Circuit Intermittent |
| P2840 | Shift Fork “D” Position Circuit |
| P2841 | Shift Fork “D” Position Circuit Range/Performance |
| P2842 | Shift Fork “D” Position Circuit Low |
| P2843 | Shift Fork “D” Position Circuit High |
| P2844 | Shift Fork “D” Position Circuit Intermittent |
| P2845 | Shift Fork “A” Position Sensor Incorrect Neutral Position Indicated |
| P2846 | Shift Fork “B” Position Sensor Incorrect Neutral Position Indicated |
| P2847 | Shift Fork “C” Position Sensor Incorrect Neutral Position Indicated |
| P2848 | Shift Fork “D” Position Sensor Incorrect Neutral Position Indicated |
| P2849 | Shift Fork “A” Stuck |
| P284A | Shift Fork “B” Stuck |
| P284B | Shift Fork “C” Stuck |
| P284C | Shift Fork “D” Stuck |
| P284D | Shift Fork “A” Unrequested Movement |
| P284E | Shift Fork “B” Unrequested Movement |
| P284F | Shift Fork “C” Unrequested Movement |
| P2850 | Shift Fork “D” Unrequested Movement |
| P2851 | Shift Fork Position Sensor “A”/”B” Correlation |
| P2852 | Shift Fork Position Sensor “C”/”D” Correlation |
| P2853 | Clutch “A” Pressure Discharge Performance |
| P2854 | Clutch “B” Pressure Discharge Performance |
| P2855 | Clutch “A” Pressure Charge Performance |
| P2856 | Clutch “B” Pressure Charge Performance |
| P2857 | Clutch “A” Pressure Engagement Performance |
| P2858 | Clutch “B” Pressure Engagement Performance |
| P2859 | Clutch “A” Pressure Disengagement Performance |
| P285A | Clutch “B” Pressure Disengagement Performance |
| P2A00 | O2 Sensor Circuit Range/Performance |
| P2A01 | O2 Sensor Circuit Range/Performance |
| P2A02 | O2 Sensor Circuit Range/Performance |
| P2A03 | O2 Sensor Circuit Range/Performance |
| P2A04 | O2 Sensor Circuit Range/Performance |
| P2A05 | O2 Sensor Circuit Range/Performance |
| P2A06 | O2 Sensor Negative Voltage |
| P2A07 | O2 Sensor Negative Voltage |
| P2A08 | O2 Sensor Negative Voltage |
| P2A09 | O2 Sensor Negative Voltage |
| P2A10 | O2 Sensor Negative Voltage |
| P2A11 | O2 Sensor Negative Voltage |
| P2BA7 | nox Exceedence – Empty Reagent Tank |
| P2BA8 | nox Exceedence – Interruption of Reagent Dosing Activity |
| P2BA9 | nox Exceedence – Insufficient Reagent Quality |
| P2BAA | nox Exceedence – Low Reagent Consumption |
| P2BAB | nox Exceedence – Incorrect EGR Flow |
| P2BAC | nox Exceedence – Deactivation of EGR |
| P2BAD | nox Exceedence – Root Cause Unknown |
| P2BAE | nox Exceedence – nox control monitoring system |
| P2BA7 | nox Exceedence – Empty Reagent Tank |
| P2BA8 | nox Exceedence – Interruption of Reagent Dosing Activity |
| P2BA9 | nox Exceedence – Insufficient Reagent Quality |
| P2BAA | nox Exceedence – Low Reagent Consumption |
| P2BAB | nox Exceedence – Incorrect EGR Flow |
| P2BAC | nox Exceedence – Deactivation of EGR |
| P2BAD | nox Exceedence – Root Cause Unknown |
| P2BAE | nox Exceedence – nox control monitoring system |
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