P21xx

200 generic powertrain codes in the P21xx range.Engine, transmission, fuel, ignition and emissions control.

2 of these have been through editorial review and carry full diagnostic guidance.

Codes in this range

P2100Throttle Actuator Control Motor Circuit OpenSeverity level 4 of 5: Get it looked at now.
P2101Throttle Actuator Control Motor Circuit Range/PerformanceSeverity level 4 of 5: Get it looked at now.
P2102Throttle Actuator Control Motor Circuit LowSeverity level 4 of 5: Get it looked at now.
P2103Throttle Actuator Control Motor Circuit HighSeverity level 4 of 5: Get it looked at now.
P2104Throttle Actuator Control System — Forced IdleSeverity level 4 of 5: Get it looked at now.
P2105Throttle Actuator Control System — Forced Engine ShutdownSeverity level 4 of 5: Get it looked at now.
P2106Throttle Actuator Control System — Forced Limited PowerSeverity level 4 of 5: Get it looked at now.
P2107Throttle Actuator Control Module Internal ProcessorSeverity level 4 of 5: Get it looked at now.
P2108Throttle Actuator Control Module PerformanceSeverity level 4 of 5: Get it looked at now.
P2109Throttle/Pedal Position Sensor A Minimum Stop PerformanceSeverity level 4 of 5: Get it looked at now.
P210AThrottle Actuator B Control Motor Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P210BThrottle Actuator B Control Motor Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P210CThrottle Actuator B Control Motor Circuit LowSeverity level 3 of 5: Diagnose soon.
P210DThrottle Actuator B Control Motor Circuit HighSeverity level 3 of 5: Diagnose soon.
P210EThrottle/Pedal Position Sensor/Switch C/F Voltage CorrelationSeverity level 4 of 5: Get it looked at now.
P210FThrottle Actuator B Control System - Forced Limited RPMSeverity level 4 of 5: Get it looked at now.
P2110Throttle Actuator Control System — Forced Limited RPMSeverity level 4 of 5: Get it looked at now.
P2111Throttle Actuator Control System — Stuck OpenSeverity level 4 of 5: Get it looked at now.
P2112Throttle Actuator Control System — Stuck ClosedSeverity level 4 of 5: Get it looked at now.
P2113Throttle Actuator Control System Forced Limited RPMSeverity level 4 of 5: Get it looked at now.
P2114Throttle Actuator Control System Forced Below Limit RPMSeverity level 4 of 5: Get it looked at now.
P2115Throttle/Pedal Position Sensor A Minimum Stop PerformanceSeverity level 4 of 5: Get it looked at now.
P2116Throttle/Pedal Position Sensor B Minimum Stop PerformanceSeverity level 4 of 5: Get it looked at now.
P2117Throttle/Pedal Position Sensor C Minimum Stop PerformanceSeverity level 4 of 5: Get it looked at now.
P2118Throttle Actuator Control Motor Current Range/PerformanceSeverity level 4 of 5: Get it looked at now.
P2119Throttle Closed Position PerformanceSeverity level 3 of 5: Diagnose soon.
P211AThrottle Actuator B Control System - Stuck OpenSeverity level 4 of 5: Get it looked at now.
P211BThrottle Actuator B Control System - Stuck ClosedSeverity level 4 of 5: Get it looked at now.
P211CThrottle Actuator B Control Motor Current Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P211DThrottle Actuator B Control Throttle Body Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P211EThrottle Actuator B Control Module ProcessorSeverity level 4 of 5: Get it looked at now.
P211FThrottle Actuator B Control Module PerformanceSeverity level 3 of 5: Diagnose soon.
P2120Throttle/Pedal Position Sensor "C" CircuitSeverity level 3 of 5: Diagnose soon.
P2121Throttle/Pedal Position Sensor "C" Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P2122Throttle/Pedal Position Sensor "D" Circuit LowSeverity level 4 of 5: Get it looked at now.
P2123Throttle/Pedal Position Sensor "D" Circuit HighSeverity level 4 of 5: Get it looked at now.
P2124Throttle/Pedal Position Sensor "C" Circuit LowSeverity level 3 of 5: Diagnose soon.
P2125Throttle/Pedal Position Sensor "C" Circuit HighSeverity level 3 of 5: Diagnose soon.
P2126Throttle/Pedal Position Sensor "C" Circuit IntermittentSeverity level 3 of 5: Diagnose soon.
P2127Throttle/Pedal Position Sensor "E" Circuit LowSeverity level 4 of 5: Get it looked at now.
P2128Throttle/Pedal Position Sensor "E" Circuit HighSeverity level 4 of 5: Get it looked at now.
P2129Throttle/Pedal Position Sensor "D" Circuit IntermittentSeverity level 3 of 5: Diagnose soon.
P212AThrottle Position Sensor/Switch G CircuitSeverity level 3 of 5: Diagnose soon.
P212BThrottle Position Sensor/Switch G Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P212CThrottle Position Sensor/Switch G Circuit LowSeverity level 3 of 5: Diagnose soon.
P212DThrottle Position Sensor/Switch G Circuit HighSeverity level 3 of 5: Diagnose soon.
P212EThrottle Position Sensor/Switch G Circuit IntermittentSeverity level 3 of 5: Diagnose soon.
P212FThrottle/Pedal Position Sensor/Switch F/G Voltage CorrelationSeverity level 4 of 5: Get it looked at now.
P2130Throttle/Pedal Position Sensor/Switch F CircuitSeverity level 3 of 5: Diagnose soon.
P2131Throttle/Pedal Position Sensor "E" Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P2132Throttle/Pedal Position Sensor "E" Circuit LowSeverity level 3 of 5: Diagnose soon.
P2133Throttle/Pedal Position Sensor "E" Circuit HighSeverity level 3 of 5: Diagnose soon.
P2134Throttle/Pedal Position Sensor/Switch F Circuit IntermittentSeverity level 3 of 5: Diagnose soon.
P2135Throttle/Pedal Position Sensor "A"/"B" Voltage CorrelationSeverity level 4 of 5: Get it looked at now.
P2136Throttle/Pedal Position Sensor A/C Voltage CorrelationSeverity level 4 of 5: Get it looked at now.
P2137Throttle/Pedal Position Sensor B/C Voltage CorrelationSeverity level 4 of 5: Get it looked at now.
P2138Throttle/Pedal Position Sensor "D"/"E" Voltage CorrelationSeverity level 4 of 5: Get it looked at now.
P2139Throttle/Pedal Position Sensor/Switch D/F Voltage CorrelationSeverity level 4 of 5: Get it looked at now.
P213AEGR Throttle Control Circuit B/OpenSeverity level 3 of 5: Diagnose soon.
P213BEGR Throttle Control Circuit B Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P213CEGR Throttle Control Circuit B LowSeverity level 3 of 5: Diagnose soon.
P213DEGR Throttle Control Circuit B HighSeverity level 3 of 5: Diagnose soon.
P213EFuel Injection System Fault - Forced Engine ShutdownSeverity level 4 of 5: Get it looked at now.
P213FFuel Pump System Fault - Forced Engine ShutdownSeverity level 4 of 5: Get it looked at now.
P2140Throttle/Pedal Position Sensor/Switch E/F Voltage CorrelationSeverity level 4 of 5: Get it looked at now.
P2141EGR Throttle Control Circuit A LowSeverity level 3 of 5: Diagnose soon.
P2142EGR Throttle Control Circuit A HighSeverity level 3 of 5: Diagnose soon.
P2143EGR Vent Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P2144EGR Vent Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P2145EGR Vent Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P2146Fuel Injector Group A Supply Voltage Circuit/OpenSeverity level 4 of 5: Get it looked at now.
P2147Fuel Injector Group A Supply Voltage Circuit LowSeverity level 4 of 5: Get it looked at now.
P2148Fuel Injector Group A Supply Voltage Circuit HighSeverity level 4 of 5: Get it looked at now.
P2149Fuel Injector Group B Supply Voltage Circuit/OpenSeverity level 4 of 5: Get it looked at now.
P214ASCR NOx Catalyst Inlet Temperature Too HighSeverity level 4 of 5: Get it looked at now.
P214BSCR NOx Catalyst Inlet Temperature Too High During Particulate Filter RegenerationSeverity level 3 of 5: Diagnose soon.
P214CSCR NOx Catalyst Outlet Temperature Too HighSeverity level 3 of 5: Diagnose soon.
P214DSCR NOx Catalyst Outlet Temperature Too High During Particulate Filter RegenerationSeverity level 3 of 5: Diagnose soon.
P214EReductant Pump A Current Too HighSeverity level 3 of 5: Diagnose soon.
P214FReductant Heater A Current Too HighSeverity level 3 of 5: Diagnose soon.
P2150Fuel Injector Group B Supply Voltage Circuit LowSeverity level 3 of 5: Diagnose soon.
P2151Fuel Injector Group B Supply Voltage Circuit HighSeverity level 3 of 5: Diagnose soon.
P2152Fuel Injector Group C Supply Voltage Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P2153Fuel Injector Group C Supply Voltage Circuit LowSeverity level 3 of 5: Diagnose soon.
P2154Fuel Injector Group C Supply Voltage Circuit HighSeverity level 3 of 5: Diagnose soon.
P2155Fuel Injector Group D Supply Voltage Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P2156Fuel Injector Group D Supply Voltage Circuit LowSeverity level 3 of 5: Diagnose soon.
P2157Fuel Injector Group D Supply Voltage Circuit HighSeverity level 3 of 5: Diagnose soon.
P2158Vehicle Speed Sensor B CircuitSeverity level 3 of 5: Diagnose soon.
P2159Vehicle Speed Sensor B Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P215AVehicle Speed - Wheel Speed CorrelationSeverity level 3 of 5: Diagnose soon.
P215BVehicle Speed - Output Shaft Speed CorrelationSeverity level 3 of 5: Diagnose soon.
P215COutput Shaft Speed - Wheel Speed CorrelationSeverity level 3 of 5: Diagnose soon.
P215DReductant Pump B Stuck OnSeverity level 3 of 5: Diagnose soon.
P215EReductant Heater D Current Too LowSeverity level 3 of 5: Diagnose soon.
P215FReductant Heater D Current Too HighSeverity level 3 of 5: Diagnose soon.
P2160Vehicle Speed Sensor B Circuit LowSeverity level 3 of 5: Diagnose soon.
P2161Vehicle Speed Sensor B Circuit Intermittent/Erratic/HighSeverity level 3 of 5: Diagnose soon.
P2162Vehicle Speed Sensor A/B CorrelationSeverity level 3 of 5: Diagnose soon.
P2163Throttle/Pedal Position Sensor A Maximum Stop PerformanceSeverity level 3 of 5: Diagnose soon.
P2164Throttle/Pedal Position Sensor B Maximum Stop PerformanceSeverity level 3 of 5: Diagnose soon.
P2165Throttle/Pedal Position Sensor C Maximum Stop PerformanceSeverity level 3 of 5: Diagnose soon.
P2166Throttle/Pedal Position Sensor D Maximum Stop PerformanceSeverity level 3 of 5: Diagnose soon.
P2167Throttle/Pedal Position Sensor E Maximum Stop PerformanceSeverity level 3 of 5: Diagnose soon.
P2168Throttle/Pedal Position Sensor F Maximum Stop PerformanceSeverity level 3 of 5: Diagnose soon.
P2169Exhaust Pressure Regulator Vent Solenoid Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P216AFuel Injector Group E Supply Voltage Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P216BFuel Injector Group E Supply Voltage Circuit LowSeverity level 3 of 5: Diagnose soon.
P216CFuel Injector Group E Supply Voltage Circuit HighSeverity level 3 of 5: Diagnose soon.
P216DFuel Injector Group F Supply Voltage Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P216EFuel Injector Group F Supply Voltage Circuit LowSeverity level 3 of 5: Diagnose soon.
P216FFuel Injector Group F Supply Voltage Circuit HighSeverity level 3 of 5: Diagnose soon.
P2170Exhaust Pressure Regulator Vent Solenoid Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P2171Exhaust Pressure Regulator Vent Solenoid Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P2172Throttle Actuator Control System - Sudden High Air Flow DetectedSeverity level 4 of 5: Get it looked at now.
P2173High Airflow/Vacuum Leak Detected (Slow Accumulation)Severity level 3 of 5: Diagnose soon.
P2174Throttle Actuator Control System - Sudden Low Air Flow DetectedSeverity level 4 of 5: Get it looked at now.
P2175Throttle Actuator Control System - Low Air Flow DetectedSeverity level 3 of 5: Diagnose soon.
P2176Throttle Actuator A Control System - Idle Position Not LearnedSeverity level 3 of 5: Diagnose soon.
P2177System Too Lean Off Idle Bank 1Severity level 3 of 5: Diagnose soon.
P2178System Too Rich Off Idle Bank 1Severity level 3 of 5: Diagnose soon.
P2179System Too Lean Off Idle Bank 2Severity level 3 of 5: Diagnose soon.
P217AFuel Injector Group G Supply Voltage Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P217BFuel Injector Group G Supply Voltage Circuit LowSeverity level 3 of 5: Diagnose soon.
P217CFuel Injector Group G Supply Voltage Circuit HighSeverity level 3 of 5: Diagnose soon.
P217DFuel Injector Group H Supply Voltage Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P217EFuel Injector Group H Supply Voltage Circuit LowSeverity level 3 of 5: Diagnose soon.
P217FFuel Injector Group H Supply Voltage Circuit HighSeverity level 3 of 5: Diagnose soon.
P2180System Too Rich Off Idle Bank 2Severity level 3 of 5: Diagnose soon.
P2181Cooling System PerformanceSeverity level 3 of 5: Diagnose soon.
P2182Engine Coolant Temperature Sensor 2 CircuitSeverity level 3 of 5: Diagnose soon.
P2183Engine Coolant Temperature Sensor 2 Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P2184Engine Coolant Temperature Sensor 2 Circuit LowSeverity level 3 of 5: Diagnose soon.
P2185Engine Coolant Temperature Sensor 2 Circuit HighSeverity level 3 of 5: Diagnose soon.
P2186Engine Coolant Temperature Sensor 2 Circuit LowSeverity level 3 of 5: Diagnose soon.
P2187System Too Lean at Idle (Bank 1)Severity level 3 of 5: Diagnose soon.
P2188System Too Rich at Idle (Bank 1)Severity level 3 of 5: Diagnose soon.
P2189System Too Lean at Idle (Bank 2)Severity level 3 of 5: Diagnose soon.
P218AThrottle Actuator B Control System - Idle Position Not LearnedSeverity level 3 of 5: Diagnose soon.
P218BThrottle/Fuel Inhibit B CircuitSeverity level 3 of 5: Diagnose soon.
P218CThrottle/Fuel Inhibit B Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P218DThrottle/Fuel Inhibit B Circuit LowSeverity level 3 of 5: Diagnose soon.
P218EThrottle/Fuel Inhibit B Circuit HighSeverity level 3 of 5: Diagnose soon.
P218FReductant No Flow DetectedSeverity level 4 of 5: Get it looked at now.
P2190System Too Rich at Idle (Bank 2)Severity level 3 of 5: Diagnose soon.
P2191System Too Lean at Higher Load (Bank 1)Severity level 3 of 5: Diagnose soon.
P2192System Too Rich at Higher Load (Bank 1)Severity level 3 of 5: Diagnose soon.
P2193System Too Lean at Higher Load (Bank 2)Severity level 3 of 5: Diagnose soon.
P2194System Too Rich at Higher Load (Bank 2)Severity level 3 of 5: Diagnose soon.
P2195O2 Sensor Signal Stuck Lean (Bank 1, Sensor 1)Severity level 3 of 5: Diagnose soon.
P2196O2 Sensor Signal Stuck Rich (Bank 1, Sensor 1)Severity level 3 of 5: Diagnose soon.
P2197O2 Sensor Signal Stuck Lean (Bank 2, Sensor 1)Severity level 3 of 5: Diagnose soon.
P2198O2 Sensor Signal Stuck Rich (Bank 2, Sensor 1)Severity level 3 of 5: Diagnose soon.
P2199Intake Air Temperature Sensor 1/2 CorrelationSeverity level 3 of 5: Diagnose soon.
P219ABank 1 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P219BBank 2 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P219CCylinder 1 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P219DCylinder 2 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P219ECylinder 3 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P219FCylinder 4 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P21A0Cylinder 5 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P21A1Cylinder 6 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P21A2Cylinder 7 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P21A3Cylinder 8 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P21A4Cylinder 9 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P21A5Cylinder 10 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P21A6Cylinder 11 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P21A7Cylinder 12 Air-Fuel Ratio ImbalanceSeverity level 3 of 5: Diagnose soon.
P21A8Reductant Level Sensor B CircuitSeverity level 3 of 5: Diagnose soon.
P21A9Reductant Level Sensor B Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P21AAReductant Level Sensor B Circuit LowSeverity level 3 of 5: Diagnose soon.
P21ABReductant Level Sensor B Circuit HighSeverity level 3 of 5: Diagnose soon.
P21ACReductant Level Sensor B Circuit Intermittent/ErraticSeverity level 3 of 5: Diagnose soon.
P21ADReductant Level Sensor C CircuitSeverity level 3 of 5: Diagnose soon.
P21AEReductant Level Sensor C Circuit Range/PerformanceSeverity level 3 of 5: Diagnose soon.
P21AFReductant Level Sensor C Circuit LowSeverity level 3 of 5: Diagnose soon.
P21B0Reductant Level Sensor C Circuit HighSeverity level 3 of 5: Diagnose soon.
P21B1Reductant Level Sensor C Circuit Intermittent/ErraticSeverity level 3 of 5: Diagnose soon.
P21B2Excessive Time To Enter Closed Loop NOx Adsorber ControlSeverity level 3 of 5: Diagnose soon.
P21B3Closed Loop NOx Adsorber Control At Limit - Too HighSeverity level 3 of 5: Diagnose soon.
P21B4NOx Adsorber Over Temperature (Bank 1)Severity level 4 of 5: Get it looked at now.
P21B5NOx Adsorber Over Temperature (Bank 2)Severity level 3 of 5: Diagnose soon.
P21B6Cold Start Cylinder 1 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21B7Cold Start Cylinder 2 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21B8Cold Start Cylinder 3 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21B9Cold Start Cylinder 4 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21BACold Start Cylinder 5 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21BBCold Start Cylinder 6 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21BCCold Start Cylinder 7 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21BDCold Start Cylinder 8 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21BECold Start Cylinder 9 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21BFCold Start Cylinder 10 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21C0Cold Start Cylinder 11 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21C1Cold Start Cylinder 12 Injection TimingSeverity level 3 of 5: Diagnose soon.
P21C2Reductant Heater Relay Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.
P21C3Reductant Heater Relay Control Circuit LowSeverity level 3 of 5: Diagnose soon.
P21C4Reductant Heater Relay Control Circuit HighSeverity level 3 of 5: Diagnose soon.
P21C5Reductant Level Sensor A StuckSeverity level 3 of 5: Diagnose soon.
P21C6Reductant Level Sensor B StuckSeverity level 3 of 5: Diagnose soon.
P21C7Reductant Control Module Power Relay Control Circuit/OpenSeverity level 3 of 5: Diagnose soon.