P21xx — Fuel and air metering
256 codes in this range. Generic powertrain codes — injector, sensor and emissions circuits.
- 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 Internal 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 Actuator Control System Forced Limited RPM
- P2114Throttle Actuator Control System Forced Below Limit RPM
- P2115Throttle/Pedal Position Sensor A Minimum Stop Performance
- P2116Throttle/Pedal Position Sensor B Minimum Stop Performance
- P2117Throttle/Pedal Position Sensor C Minimum Stop Performance
- P2118Throttle Actuator Control Motor Current Range/Performance
- P2119Throttle Closed Position Performance
- P211AThrottle Actuator B Control System - Stuck Open
- P211BThrottle Actuator B Control System - Stuck Closed
- 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 "C" Circuit
- P2121Throttle/Pedal Position Sensor "C" Range/Performance
- P2122Throttle/Pedal Position Sensor "D" Circuit Low
- P2123Throttle/Pedal Position Sensor "D" Circuit High
- P2124Throttle/Pedal Position Sensor "C" Circuit Low
- P2125Throttle/Pedal Position Sensor "C" Circuit High
- P2126Throttle/Pedal Position Sensor "C" Circuit Intermittent
- P2127Throttle/Pedal Position Sensor "E" Circuit Low
- P2128Throttle/Pedal Position Sensor "E" Circuit High
- P2129Throttle/Pedal Position Sensor "D" 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 "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
- P2190System Too Rich at Idle (Bank 2)
- P2191System Too Lean at Higher Load (Bank 1)
- P2192System Too Rich at Higher Load (Bank 1)
- P2193System Too Lean at Higher Load (Bank 2)
- P2194System Too Rich at Higher Load (Bank 2)
- P2195O2 Sensor Signal Stuck Lean (Bank 1, Sensor 1)
- P2196O2 Sensor Signal Stuck Rich (Bank 1, Sensor 1)
- P2197O2 Sensor Signal Stuck Lean (Bank 2, Sensor 1)
- P2198O2 Sensor Signal Stuck Rich (Bank 2, Sensor 1)
- 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 Control Circuit/Open
- P21C8Reductant Control Module Power Relay Control Circuit Low
- P21C9Reductant Control Module Power Relay 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)