P25xx — Engine control and auxiliary systems
256 codes in this range. Generic powertrain codes — injector, sensor and emissions circuits.
- P2500Generator Lamp/L-Terminal Circuit Low
- P2501Generator Lamp/L-Terminal Circuit High
- P2502Charging System Voltage
- P2503Charging System Voltage Low
- P2504Charging System Voltage High
- P2505ECM/PCM Power Input Signal
- P2506ECM/PCM Power Input Signal Range/Performance
- P2507ECM/PCM Power Input Signal Low
- P2508ECM/PCM Power Input Signal High
- P2509ECM/PCM Power Input Signal Intermittent
- P250AEngine Oil Level Sensor Circuit
- P250BEngine Oil Level Sensor Circuit Range/Performance
- P250CEngine Oil Level Sensor Circuit Low
- P250DEngine Oil Level Sensor Circuit High
- P250EEngine Oil Level Sensor Circuit Intermittent/Erratic
- P250FEngine Oil Level Too Low
- P2510ECM/PCM Power Relay Sense Circuit Range/Performance
- P2511ECM/PCM Power Relay Sense Circuit Intermittent
- P2512Event Data Recorder Request Circuit/Open
- P2513Event Data Recorder Request Circuit Low
- P2514Event Data Recorder Request Circuit High
- P2515A/C Refrigerant Pressure Sensor B Circuit
- P2516A/C Refrigerant Pressure Sensor B Circuit Range/Performance
- P2517A/C Refrigerant Pressure Sensor B Circuit Low
- P2518A/C Refrigerant Pressure Sensor B Circuit High
- P2519A/C Request A Circuit
- P251APTO Enable Switch Circuit/Open
- P251BPTO Enable Switch Circuit Low
- P251CPTO Enable Switch Circuit High
- P251DPTO Engine Shutdown Circuit/Open
- P251EPTO Engine Shutdown Circuit Low
- P251FPTO Engine Shutdown Circuit High
- P2520A/C Request A Circuit Low
- P2521A/C Request A Circuit High
- P2522A/C Request B Circuit
- P2523A/C Request B Circuit Low
- P2524A/C Request B Circuit High
- P2525Vacuum Reservoir Pressure Sensor Circuit
- P2526Vacuum Reservoir Pressure Sensor Circuit Range/Performance
- P2527Vacuum Reservoir Pressure Sensor Circuit Low
- P2528Vacuum Reservoir Pressure Sensor Circuit High
- P2529Vacuum Reservoir Pressure Sensor Circuit Intermittent
- P252AEngine Oil Quality Sensor Circuit
- P252BEngine Oil Quality Sensor Circuit Range/Performance
- P252CEngine Oil Quality Sensor Circuit Low
- P252DEngine Oil Quality Sensor Circuit High
- P252EEngine Oil Quality Sensor Circuit Intermittent/Erratic
- P252FEngine Oil Level Too High
- P2530Ignition Switch Run Position Circuit
- P2531Ignition Switch Run Position Circuit Low
- P2532Ignition Switch Run Position Circuit High
- P2533Ignition Switch On/Start Position Circuit
- P2534Ignition Switch On/Start Position Circuit Low
- P2535Ignition Switch On/Start Position Circuit High
- P2536Ignition Switch Accessory Position Circuit
- P2537Ignition Switch Accessory Position Circuit Low
- P2538Ignition Switch Accessory Position Circuit High
- P2539Low Pressure Fuel System Sensor Circuit
- P253APTO Sense Circuit/Open
- P253BPTO Sense Circuit Range/Performance
- P253CPTO Sense Circuit Low
- P253DPTO Sense Circuit High
- P253EPTO Sense Circuit Intermittent/Erratic
- P253FEngine Oil Deteriorated
- P2540Low Pressure Fuel System Sensor Circuit
- P2541Low Pressure Fuel System Sensor Circuit Range/Performance
- P2542Low Pressure Fuel System Sensor Circuit High
- P2543Power Demand Signal Circuit
- P2544Torque Management Request Input Signal A
- P2545Torque Management Request Input Signal A Range/Performance
- P2546Torque Management Request Input Signal A Low
- P2547Torque Management Request Input Signal A High
- P2548Torque Management Request Input Signal B
- P2549Torque Management Request Input Signal B Range/Performance
- P254APTO Speed Selector Sensor/Switch 1 Circuit/Open
- P254BPTO Speed Selector Sensor/Switch 1 Range/Performance
- P254CPTO Speed Selector Sensor/Switch 1 Circuit Low
- P254DPTO Speed Selector Sensor/Switch 1 Circuit High
- P254EPTO Speed Selector Sensor/Switch 1 Circuit Intermittent/Erratic
- P254FEngine Hood Switch Circuit
- P2550Torque Management Request Input Signal B Low
- P2551Torque Management Request Input Signal B High
- P2552Throttle/Fuel Inhibit A Circuit
- P2553Throttle/Fuel Inhibit A Circuit Range/Performance
- P2554Throttle/Fuel Inhibit A Circuit Low
- P2555Throttle/Fuel Inhibit A Circuit High
- P2556Engine Coolant Level Sensor/Switch Circuit
- P2557Engine Coolant Level Sensor/Switch Circuit Range/Performance
- P2558Engine Coolant Level Sensor/Switch Circuit Low
- P2559Engine Coolant Level Sensor/Switch Circuit High
- P255APTO Speed Selector Sensor/Switch 2 Circuit/Open
- P255BPTO Speed Selector Sensor/Switch 2 Range/Performance
- P255CPTO Speed Selector Sensor/Switch 2 Circuit Low
- P255DPTO Speed Selector Sensor/Switch 2 Circuit High
- P255EPTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic
- P255FA/C Request A Circuit Range/Performance
- P2560Engine Coolant Level Low
- P2561A/C Control Module Requested MIL Illumination
- P2562Turbocharger Boost Control Position Sensor A Circuit
- P2563Turbocharger Boost Control Position Sensor Circuit
- P2564Turbocharger Boost Control Position Sensor A Circuit Low
- P2565Turbocharger Boost Control Position Sensor A Circuit High
- P2566Turbocharger Boost Control Position Sensor Range/Performance
- P2567Turbocharger Boost Control Position Sensor Circuit Low
- P2568Turbocharger Boost Control Position Sensor Circuit High
- P2569Direct Ozone Reduction Catalyst Temperature Sensor Circuit Low
- P256AEngine Idle Speed Selector Sensor/Switch Circuit/Open
- P256BEngine Idle Speed Selector Sensor/Switch Range/Performance
- P256CEngine Idle Speed Selector Sensor/Switch Circuit Low
- P256DEngine Idle Speed Selector Sensor/Switch Circuit High
- P256EEngine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic
- P256FA/C Request B Circuit Range/Performance
- P2570Direct Ozone Reduction Catalyst Temperature Sensor Circuit High
- P2571Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent/Erratic
- P2572Direct Ozone Reduction Catalyst Deterioration Sensor Circuit
- P2573Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance
- P2574Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low
- P2575Direct Ozone Reduction Catalyst Deterioration Sensor Circuit High
- P2576Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Intermittent/Erratic
- P2577Direct Ozone Reduction Catalyst Efficiency Below Threshold
- P2578Turbocharger/Supercharger Speed Sensor A Circuit
- P2579Turbocharger/Supercharger Speed Sensor A Circuit Range/Performance
- P257AVacuum Reservoir Control Circuit/Open
- P257BVacuum Reservoir Control Circuit Low
- P257CVacuum Reservoir Control Circuit High
- P257DEngine Hood Switch Circuit Range/Performance
- P257EEngine Hood Switch Circuit Low
- P257FEngine Hood Switch Circuit High
- P2580Turbocharger/Supercharger Speed Sensor A Circuit Low
- P2581Turbocharger/Supercharger Speed Sensor A Circuit High
- P2582Turbocharger/Supercharger Speed Sensor A Circuit Intermittent
- P2583Cruise Control Front Distance Range Sensor Single Sensor or Center
- P2584Fuel Additive Control Module Requested MIL Illumination
- P2585Fuel Additive Control Module Warning Lamp Request
- P2586Turbocharger Boost Control Position Sensor B Circuit
- P2587Turbocharger Boost Control Position Sensor B Circuit Range/Performance
- P2588Turbocharger Boost Control Position Sensor B Circuit Low
- P2589Turbocharger Boost Control Position Sensor B Circuit High
- P258AVacuum Pump Control Circuit A/Open
- P258BVacuum Pump Control Circuit A Range/Performance
- P258CVacuum Pump Control Circuit A Low
- P258DVacuum Pump Control Circuit A High
- P258EPTO Enable Switch Performance
- P258FTorque Management Request Output Signal
- P2590Turbocharger Boost Control Position Sensor B Circuit Intermittent/Erratic
- P2591Cruise Control Front Distance Range Sensor Left
- P2592Cruise Control Front Distance Range Sensor Right
- P2593Turbocharger Speed Sensor B Circuit
- P2594Turbocharger Speed Sensor B Circuit Range/Performance
- P2595Turbocharger Speed Sensor B Circuit Low
- P2596Turbocharger Speed Sensor B Circuit High
- P2597Turbocharger Speed Sensor B Circuit Intermittent
- P2598Turbocharger Boost Control Position Sensor A Performance - Stuck Low
- P2599Turbocharger Boost Control Position Sensor A Performance - Stuck High
- P259ATurbocharger Boost Control Position Sensor B Performance - Stuck Low
- P259BTurbocharger Boost Control Position Sensor B Performance - Stuck High
- P259CExcessive Time To Enter Closed Loop Turbocharger A Boost Control
- P259DExcessive Time To Enter Closed Loop Turbocharger B Boost Control
- P259ETurbocharger A Boost Control Position At Low Limit
- P259FTurbocharger A Boost Control Position At High Limit
- P25A0Turbocharger B Boost Control Position At Low Limit
- P25A1Turbocharger B Boost Control Position At High Limit
- P25A2Brake System Control Module A Requested MIL Illumination
- P25A3Engine Hood Open
- P25A4Fuel Mode Select Switch Circuit
- P25A5Fuel Mode Select Switch Performance
- P25A6Fuel Mode Select Switch Circuit Low
- P25A7Fuel Mode Select Switch Circuit High
- P25A8Fuel Mode Select Switch Circuit Intermittent/Erratic
- P25A9Piston Cooling Oil Control Circuit/Open
- P25AAPiston Cooling Oil Control Circuit Low
- P25ABPiston Cooling Oil Control Circuit High
- P25ACPiston Cooling Oil Control Circuit Performance/Stuck Off
- P25ADPiston Cooling Oil Control Circuit Stuck On
- P25AEPiston Cooling Oil Pressure Too Low
- P25AFCoolant Temperature Control Module Requested MIL Illumination
- P25B0Fuel Level Sensor A Stuck
- P25B1Fuel Level Sensor B Stuck
- P25B2Fuel Level Sensor A or B Stuck
- P25B3Turbocharger/Supercharger Wastegate A Stuck Open
- P25B4Turbocharger/Supercharger Wastegate A Stuck Closed
- P25B5Turbocharger/Supercharger Wastegate B Stuck Open
- P25B6Turbocharger/Supercharger Wastegate B Stuck Closed
- P25B7Auxiliary Ignition Switch On/Start Position Circuit
- P25B8Auxiliary Ignition Switch On/Start Position Circuit Low
- P25B9Auxiliary Ignition Switch On/Start Position Circuit High
- P25BARegeneration Control Switch Circuit/Open
- P25BBRegeneration Control Switch Circuit Low
- P25BCRegeneration Control Switch Circuit High
- P25BDUnmetered Fuel - Forced Engine Shutdown
- P25BEAlternative Fuel Disable Control Circuit / Open
- P25BFAlternative Fuel Disable Control Circuit High
- P25C0Alternative Fuel Disable Control Circuit Low
- P25C1Alternative Fuel Disable Signal Circuit
- P25C2Alternative Fuel Disable Signal Circuit High
- P25C3Alternative Fuel Disable Signal Circuit Low
- P25C4Brake Booster Temperature Sensor A Circuit
- P25C5Brake Booster Temperature Sensor A Circuit Range/Performance
- P25C6Brake Booster Temperature Sensor A Circuit Low
- P25C7Brake Booster Temperature Sensor A Circuit High
- P25C8Brake Booster Temperature Sensor A Circuit Intermittent/Erratic
- P25C9Brake System Control Module B Requested MIL Illumination
- P25CAIntake Camshaft Actuator Park Lock Control Circuit / Open Bank 1
- P25CBIntake Camshaft Actuator Park Lock Control Circuit Low Bank 1
- P25CCIntake Camshaft Actuator Park Lock Control Circuit High Bank 1
- P25CDIntake Camshaft Actuator Park Lock Control Circuit / Open Bank 2
- P25CEIntake Camshaft Actuator Park Lock Control Circuit Low Bank 2
- P25CFIntake Camshaft Actuator Park Lock Control Circuit High Bank 2
- P25D0Exhaust Camshaft Actuator Park Lock Control Circuit / Open Bank 1
- P25D1Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 1
- P25D2Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 1
- P25D3Exhaust Camshaft Actuator Park Lock Control Circuit / Open Bank 2
- P25D4Exhaust Camshaft Actuator Park Lock Control Circuit Low Bank 2
- P25D5Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 2
- P25D6Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Stop Performance
- P25D7Fuel Level Sensor C Circuit
- P25D8Fuel Level Sensor C Performance
- P25D9Fuel Level Sensor C Circuit Low
- P25DAFuel Level Sensor C Circuit High
- P25DBFuel Level Sensor C Circuit Intermittent
- P25DCFuel Level Sensor C Stuck
- P25DDA Camshaft Position - Stuck In Locked Position Bank 1
- P25DEA Camshaft Position - Unable to Achieve Locked Position Bank 1
- P25DFA Camshaft Position Control Performance Bank 1
- P25E0A Camshaft Position - Stuck In Locked Position Bank 2
- P25E1A Camshaft Position - Unable to Achieve Locked Position Bank 2
- P25E2A Camshaft Position Control Performance Bank 2
- P25E3B Camshaft Position - Stuck In Locked Position Bank 1
- P25E4B Camshaft Position - Unable to Achieve Locked Position Bank 1
- P25E5B Camshaft Position Control Performance Bank 1
- P25E6B Camshaft Position - Stuck In Locked Position Bank 2
- P25E7B Camshaft Position - Unable to Achieve Locked Position Bank 2
- P25E8B Camshaft Position Control Performance Bank 2
- P25E9Supercharger Disconnect Clutch Stuck Open
- P25EASupercharger Disconnect Clutch Stuck Closed
- P25EBSupercharger Disconnect Clutch Circuit Range/Performance
- P25ECSupercharger Disconnect Clutch Circuit Low
- P25EDSupercharger Disconnect Clutch Circuit High
- P25EEVacuum Pump Control Circuit B / Open
- P25EFVacuum Pump Control Circuit B Range/Performance
- P25F0Vacuum Pump Control Circuit B Low
- P25F1Vacuum Pump Control Circuit B High
- P25F2Turbocharger/Supercharger Boost Sensor C Circuit
- P25F3Turbocharger/Supercharger Boost Sensor C Circuit Range/Performance
- P25F4Turbocharger/Supercharger Boost Sensor C Circuit Low
- P25F5Turbocharger/Supercharger Boost Sensor C Circuit High
- P25F6AIR System B
- P25F7AIR System B Incorrect Flow Detected
- P25F8Turbocharger/Supercharger Bypass Valve C Control Circuit
- P25F9Turbocharger/Supercharger Bypass Valve C Control Circuit Low
- P25FATurbocharger/Supercharger Bypass Valve C Control Circuit High
- P25FBTurbocharger/Supercharger Bypass Valve C Control Circuit Range/Performance
- P25FCTurbocharger/Supercharger Bypass Valve C - Mechanical
- P25FDTurbocharger/Supercharger Bypass Valve C Temperature Too High
- P25FESupercharger Disconnect Clutch
- P25FFElectrical System Voltage Stabilizer Control Module Performance