Code range
P21xx fault codes
256 codes from P2100 to P21FF.
Codes
- P2100Throttle Actuator Control Motor Circuit/Open
- P2101Throttle Actuator Control Motor Circuit Range/Performance
- P2102Throttle Actuator Control Motor Circuit Low
- P2103Throttle Actuator Control Motor Circuit High
- P2104Throttle Actuator Control System - Forced Idle
- P2105Throttle Actuator Control System - Forced Engine Shutdown
- P2106Throttle Actuator Control System - Forced Limited Power
- P2107Throttle Actuator Control Module Processor
- P2108Throttle Actuator Control Module Performance
- P2109Throttle/Pedal Position Sensor 'A' Minimum Stop Performance
- P210AThrottle Actuator B Control Motor Circuit/Open
- P210BThrottle Actuator B Control Motor Circuit Range/Performance
- P210CThrottle Actuator B Control Motor Circuit Low
- P210DThrottle Actuator B Control Motor Circuit High
- P210EThrottle/Pedal Position Sensor/Switch C/F Voltage Correlation
- P210FThrottle Actuator B Control System - Forced Limited RPM
- P2110Throttle Actuator Control System - Forced Limited RPM
- P2111Throttle Actuator Control System - Stuck Open
- P2112Throttle Actuator Control System - Stuck Closed
- P2113Throttle/Pedal Position Sensor 'B' Minimum Stop Performance
- P2114Throttle/Pedal Position Sensor 'C' Minimum Stop Performance
- P2115Throttle/Pedal Position Sensor 'D' Minimum Stop Performance
- P2116Throttle/Pedal Position Sensor 'E' Minimum Stop Performance
- P2117Throttle/Pedal Position Sensor 'F' Minimum Stop Performance
- P2118Throttle Actuator Control Motor Current Range/Performance
- P2119Throttle Actuator Control Throttle Body Range/Performance
- P211AThrottle Actuator B Control System - Stuck Open
- P211BThrottle Actuator B Control System - Stuck Close
- P211CThrottle Actuator B Control Motor Current Range/Performance
- P211DThrottle Actuator B Control Throttle Body Range/Performance
- P211EThrottle Actuator B Control Module Processor
- P211FThrottle Actuator B Control Module Performance
- P2120Throttle/Pedal Position Sensor/Switch 'D' Circuit
- P2121Throttle/Pedal Position Sensor/Switch 'D' Circuit Range/Performance
- P2122Throttle/Pedal Position Sensor/Switch 'D' Circuit Low Input
- P2123Throttle/Pedal Position Sensor/Switch 'D' Circuit High Input
- P2124Throttle/Pedal Position Sensor/Switch 'D' Circuit Intermittent
- P2125Throttle/Pedal Position Sensor/Switch 'E' Circuit
- P2126Throttle/Pedal Position Sensor/Switch 'E' Circuit Range/Performance
- P2127Throttle/Pedal Position Sensor/Switch 'E' Circuit Low Input
- P2128Throttle/Pedal Position Sensor/Switch 'E' Circuit High Input
- P2129Throttle/Pedal Position Sensor/Switch 'E' Circuit Intermittent
- P212AThrottle Position Sensor/Switch G Circuit
- P212BThrottle Position Sensor/Switch G Circuit Range/Performance
- P212CThrottle Position Sensor/Switch G Circuit Low
- P212DThrottle Position Sensor/Switch G Circuit High
- P212EThrottle Position Sensor/Switch G Circuit Intermittent
- P212FThrottle/Pedal Position Sensor/Switch F/G Voltage Correlation
- P2130Throttle/Pedal Position Sensor/Switch 'F' Circuit
- P2131Throttle/Pedal Position Sensor/Switch 'F' Circuit Range Performance
- P2132Throttle/Pedal Position Sensor/Switch 'F' Circuit Low Input
- P2133Throttle/Pedal Position Sensor/Switch 'F' Circuit High Input
- P2134Throttle/Pedal Position Sensor/Switch 'F' Circuit Intermittent
- P2135Throttle/Pedal Position Sensor/Switch 'A' / 'B' Voltage Correlation
- P2136Throttle/Pedal Position Sensor/Switch 'A' / 'C' Voltage Correlation
- P2137Throttle/Pedal Position Sensor/Switch 'B' / 'C' Voltage Correlation
- P2138Throttle/Pedal Position Sensor/Switch 'D' / 'E' Voltage Correlation
- P2139Throttle/Pedal Position Sensor/Switch 'D' / 'F' Voltage Correlation
- P213AEGR Throttle Control Circuit B /Open
- P213BEGR Throttle Control Circuit B Range/Performance
- P213CEGR Throttle Control Circuit B Low
- P213DEGR Throttle Control Circuit B High
- P213EFuel Injection System Fault - Forced Engine Shutdown
- P213FFuel Pump System Fault - Forced Engine Shutdown
- P2140Throttle/Pedal Position Sensor/Switch 'E' / 'F' Voltage Correlation
- P2141Exhaust Gas Recirculation Throttle Control Circuit Low
- P2142Exhaust Gas Recirculation Throttle Control Circuit High
- P2143Exhaust Gas Recirculation Vent Control Circuit/Open
- P2144Exhaust Gas Recirculation Vent Control Circuit Low
- P2145Exhaust Gas Recirculation Vent Control Circuit High
- P2146Fuel Injector Group 'A' Supply Voltage Circuit/Open
- P2147Fuel Injector Group 'A' Supply Voltage Circuit Low
- P2148Fuel Injector Group 'A' Supply Voltage Circuit High
- P2149Fuel Injector Group 'B' Supply Voltage Circuit/Open
- P214ASCR NOx Catalyst Inlet Temperature Too High
- P214BSCR NOx Catalyst Inlet Temperature Too High During Particulate Filter Regeneration
- P214CSCR NOx Catalyst Outlet Temperature Too High
- P214DSCR NOx Catalyst Outlet Temperature Too High During Particulate Filter Regeneration
- P214EReductant Pump A Current Too High
- P214FReductant Heater A Current Too High
- P2150Fuel Injector Group 'B' Supply Voltage Circuit Low
- P2151Fuel Injector Group 'B' Supply Voltage Circuit High
- P2152Fuel Injector Group 'C' Supply Voltage Circuit/Open
- P2153Fuel Injector Group 'C' Supply Voltage Circuit Low
- P2154Fuel Injector Group 'C' Supply Voltage Circuit High
- P2155Fuel Injector Group 'D' Supply Voltage Circuit/Open
- P2156Fuel Injector Group 'D' Supply Voltage Circuit Low
- P2157Fuel Injector Group 'D' Supply Voltage Circuit High
- P2158Vehicle Speed Sensor 'B'
- P2159Vehicle Speed Sensor 'B' Range/Performance
- P215AVehicle Speed - Wheel Speed Correlation
- P215BVehicle Speed - Output Shaft Speed Correlation
- P215COutput Shaft Speed - Wheel Speed Correlation
- P215DReductant Pump B Stuck On
- P215EReductant Heater D Current Too Low
- P215FReductant Heater D Current Too High
- P2160Vehicle Speed Sensor 'B' Circuit Low
- P2161Vehicle Speed Sensor 'B' Intermittent/Erratic
- P2162Vehicle Speed Sensor 'A' / 'B' Correlation
- P2163Throttle/Pedal Position Sensor 'A' Maximum Stop Performance
- P2164Throttle/Pedal Position Sensor 'B' Maximum Stop Performance
- P2165Throttle/Pedal Position Sensor 'C' Maximum Stop Performance
- P2166Throttle/Pedal Position Sensor 'D' Maximum Stop Performance
- P2167Throttle/Pedal Position Sensor 'E' Maximum Stop Performance
- P2168Throttle/Pedal Position Sensor 'F' Maximum Stop Performance
- P2169Exhaust Pressure Regulator Vent Solenoid Control Circuit/Open
- P216AFuel Injector Group E Supply Voltage Circuit/Open
- P216BFuel Injector Group E Supply Voltage Circuit Low
- P216CFuel Injector Group E Supply Voltage Circuit High
- P216DFuel Injector Group F Supply Voltage Circuit/Open
- P216EFuel Injector Group F Supply Voltage Circuit Low
- P216FFuel Injector Group F Supply Voltage Circuit High
- P2170Exhaust Pressure Regulator Vent Solenoid Control Circuit Low
- P2171Exhaust Pressure Regulator Vent Solenoid Control Circuit High
- P2172Throttle Actuator Control System - Sudden High Airflow Detected
- P2173Throttle Actuator Control System - High Airflow Detected
- P2174Throttle Actuator Control System - Sudden Low Airflow Detected
- P2175Throttle Actuator Control System - Low Airflow Detected
- P2176Throttle Actuator Control System - Idle Position Not Learned
- P2177System Too Lean Off Idle
- P2178System Too Rich Off Idle
- P2179System Too Lean Off Idle
- P217AFuel Injector Group G Supply Voltage Circuit/Open
- P217BFuel Injector Group G Supply Voltage Circuit Low
- P217CFuel Injector Group G Supply Voltage Circuit High
- P217DFuel Injector Group H Supply Voltage Circuit/Open
- P217EFuel Injector Group H Supply Voltage Circuit Low
- P217FFuel Injector Group H Supply Voltage Circuit High
- P2180System Too Rich Off Idle
- P2181Cooling System Performance
- P2182Engine Coolant Temperature Sensor 2 Circuit
- P2183Engine Coolant Temperature Sensor 2 Circuit Range/Performance
- P2184Engine Coolant Temperature Sensor 2 Circuit Low
- P2185Engine Coolant Temperature Sensor 2 Circuit High
- P2186Engine Coolant Temperature Sensor 2 Circuit Intermittent/Erratic
- P2187System Too Lean at Idle
- P2188System Too Rich at Idle
- P2189System Too Lean at Idle
- P218AThrottle Actuator B Control System - Idle Position Not Learned
- P218BThrottle/Fuel Inhibit B Circuit
- P218CThrottle/Fuel Inhibit B Circuit Range/Performance
- P218DThrottle/Fuel Inhibit B Circuit Low
- P218EThrottle/Fuel Inhibit B Circuit High
- P218FReductant No Flow Detected
- P2190System Too Rich at Idle
- P2191System Too Lean at Higher Load
- P2192System Too Rich at Higher Load
- P2193System Too Lean at Higher Load
- P2194System Too Rich at Higher Load
- P2195O2 Sensor Signal Stuck Lean
- P2196O2 Sensor Signal Stuck Rich
- P2197O2 Sensor Signal Stuck Lean
- P2198O2 Sensor Signal Stuck Rich
- P2199Intake Air Temperature Sensor 1 / 2 Correlation
- P219ABank 1 Air-Fuel Ratio Imbalance
- P219BBank 2 Air-Fuel Ratio Imbalance
- P219CCylinder 1 Air-Fuel Ratio Imbalance
- P219DCylinder 2 Air-Fuel Ratio Imbalance
- P219ECylinder 3 Air-Fuel Ratio Imbalance
- P219FCylinder 4 Air-Fuel Ratio Imbalance
- P21A0Cylinder 5 Air-Fuel Ratio Imbalance
- P21A1Cylinder 6 Air-Fuel Ratio Imbalance
- P21A2Cylinder 7 Air-Fuel Ratio Imbalance
- P21A3Cylinder 8 Air-Fuel Ratio Imbalance
- P21A4Cylinder 9 Air-Fuel Ratio Imbalance
- P21A5Cylinder 10 Air-Fuel Ratio Imbalance
- P21A6Cylinder 11 Air-Fuel Ratio Imbalance
- P21A7Cylinder 12 Air-Fuel Ratio Imbalance
- P21A8Reductant Level Sensor B Circuit
- P21A9Reductant Level Sensor B Circuit Range/Performance
- P21AAReductant Level Sensor B Circuit Low
- P21ABReductant Level Sensor B Circuit High
- P21ACReductant Level Sensor B Circuit Intermittent/Erratic
- P21ADReductant Level Sensor C Circuit
- P21AEReductant Level Sensor C Circuit Range/Performance
- P21AFReductant Level Sensor C Circuit Low
- P21B0Reductant Level Sensor C Circuit High
- P21B1Reductant Level Sensor C Circuit Intermittent/Erratic
- P21B2Excessive Time To Enter Closed Loop NOx Adsorber Control
- P21B3Closed Loop NOx Adsorber Control At Limit - Too High
- P21B4NOx Adsorber - Over Temperature Bank 1
- P21B5NOx Adsorber - Over Temperature Bank 2
- P21B6Cold Start Cylinder 1 Injection Timing
- P21B7Cold Start Cylinder 2 Injection Timing
- P21B8Cold Start Cylinder 3 Injection Timing
- P21B9Cold Start Cylinder 4 Injection Timing
- P21BACold Start Cylinder 5 Injection Timing
- P21BBCold Start Cylinder 6 Injection Timing
- P21BCCold Start Cylinder 7 Injection Timing
- P21BDCold Start Cylinder 8 Injection Timing
- P21BECold Start Cylinder 9 Injection Timing
- P21BFCold Start Cylinder 10 Injection Timing
- P21C0Cold Start Cylinder 11 Injection Timing
- P21C1Cold Start Cylinder 12 Injection Timing
- P21C2Reductant Heater Relay Control Circuit/Open
- P21C3Reductant Heater Relay Control Circuit Low
- P21C4Reductant Heater Relay Control Circuit High
- P21C5Reductant Level Sensor A Stuck
- P21C6Reductant Level Sensor B Stuck
- P21C7Reductant Control Module Power Relay/Relays Control Circuit/Open
- P21C8Reductant Control Module Power Relay/Relays Control Circuit Low
- P21C9Reductant Control Module Power Relay/Relays Control Circuit High
- P21CAReductant Control Module Supply Voltage Circuit
- P21CBReductant Control Module Supply Voltage Low
- P21CCReductant Control Module Supply Voltage High
- P21CDReductant Quality Module Supply Voltage Low
- P21CEReductant Quality Module Performance
- P21CFCylinder 1 Injector B Circuit/Open
- P21D0Cylinder 2 Injector B Circuit/Open
- P21D1Cylinder 3 Injector B Circuit/Open
- P21D2Cylinder 4 Injector B Circuit/Open
- P21D3Cylinder 5 Injector B Circuit/Open
- P21D4Cylinder 6 Injector B Circuit/Open
- P21D5Cylinder 7 Injector B Circuit/Open
- P21D6Cylinder 8 Injector B Circuit/Open
- P21D7Cylinder 9 Injector B Circuit/Open
- P21D8Cylinder 10 Injector B Circuit/Open
- P21D9Cylinder 11 Injector B Circuit/Open
- P21DACylinder 12 Injector B Circuit/Open
- P21DBCylinder 1 Injector B Circuit Low
- P21DCCylinder 1 Injector B Circuit High
- P21DDReductant Heater A Current Too Low
- P21DECylinder 2 Injector B Circuit Low
- P21DFCylinder 2 Injector B Circuit High
- P21E0Cylinder 3 Injector B Circuit Low
- P21E1Cylinder 3 Injector B Circuit High
- P21E2Cylinder 4 Injector B Circuit Low
- P21E3Cylinder 4 Injector B Circuit High
- P21E4Cylinder 5 Injector B Circuit Low
- P21E5Cylinder 5 Injector B Circuit High
- P21E6Cylinder 6 Injector B Circuit Low
- P21E7Cylinder 6 Injector B Circuit High
- P21E8Cylinder 7 Injector B Circuit Low
- P21E9Cylinder 7 Injector B Circuit High
- P21EACylinder 8 Injector B Circuit Low
- P21EBCylinder 8 Injector B Circuit High
- P21ECCylinder 9 Injector B Circuit Low
- P21EDCylinder 9 Injector B Circuit High
- P21EECylinder 10 Injector B Circuit Low
- P21EFCylinder 10 Injector B Circuit High
- P21F0Cylinder 11 Injector B Circuit Low
- P21F1Cylinder 11 Injector B Circuit High
- P21F2Cylinder 12 Injector B Circuit Low
- P21F3Cylinder 12 Injector B Circuit High
- P21F4Fuel Control System B Too Lean Off Idle Bank 1
- P21F5Fuel Control System B Too Rich Off Idle Bank 1
- P21F6Fuel Control System B Too Lean Off Idle Bank 2
- P21F7Fuel Control System B Too Rich Off Idle Bank 2
- P21F8Fuel Control System B Too Lean at Idle Bank 1
- P21F9Fuel Control System B Too Rich at Idle Bank 1
- P21FAFuel Control System B Too Lean at Idle Bank 2
- P21FBFuel Control System B Too Rich at Idle Bank 2
- P21FCFuel Control System B Too Lean at Higher Load Bank 1
- P21FDFuel Control System B Too Rich at Higher Load Bank 1
- P21FEFuel Control System B Too Lean at Higher Load Bank 2
- P21FFFuel Control System B Too Rich at Higher Load Bank 2