Check-engine codes
What does my check-engine code mean?
Plain-English explanations for OBD-II trouble codes: what the code means, the most likely causes, symptoms, and how much labour a repair usually takes.
P2 codes · Powertrain (generic, extended)
- 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 "E" Range/Performance
- P2132Throttle/Pedal Position Sensor "E" Circuit Low
- P2133Throttle/Pedal Position Sensor "E" Circuit High
- P2134Throttle/Pedal Position Sensor/Switch F Circuit Intermittent
- P2135Throttle/Pedal Position Sensor "A"/"B" Voltage Correlation
- P2136Throttle/Pedal Position Sensor A/C Voltage Correlation
- P2137Throttle/Pedal Position Sensor B/C Voltage Correlation
- P2138Throttle/Pedal Position Sensor "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
- P2141EGR Throttle Control Circuit A Low
- P2142EGR Throttle Control Circuit A High
- P2143EGR Vent Control Circuit/Open
- P2144EGR Vent Control Circuit Low
- P2145EGR 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 Circuit
- 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 Circuit Intermittent/Erratic/High
- 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 Air Flow Detected
- P2173High Airflow/Vacuum Leak Detected (Slow Accumulation)
- P2174Throttle Actuator Control System - Sudden Low Air Flow Detected
- P2175Throttle Actuator Control System - Low Air Flow Detected
- P2176Throttle Actuator A Control System - Idle Position Not Learned
- P2177System Too Lean Off Idle Bank 1
- P2178System Too Rich Off Idle Bank 1
- P2179System Too Lean Off Idle Bank 2
- 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 Bank 2
- 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 Low
- P2187System Too Lean at Idle (Bank 1)
- P2188System Too Rich at Idle (Bank 1)
- P2189System Too Lean at Idle (Bank 2)
- 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
Code data: OBDex open dataset (CC0), reviewed and rewritten for drivers. Always confirm a diagnosis before replacing parts.