Fault codes P2Cxx: engine and emissions: additional codes (3)
Engine and transmission codes common to all makes (SAE J2012 standard).
Official codes: 256, from smallest to largest. Tap a code to get a direct link to share.
| Code | Meaning |
|---|---|
| P2C00 | Fuel Pressure Regulator C Performance |
| P2C01 | Fuel Pressure Regulator D Performance |
| P2C02 | Fuel Pressure Regulator D Control Circuit/Open |
| P2C03 | Fuel Pressure Regulator D Control Circuit Low |
| P2C04 | Fuel Pressure Regulator D Control Circuit High |
| P2C05 | A Camshaft Profile Actuator Position Sensor A Circuit Bank 1 |
| P2C06 | A Camshaft Profile Actuator Position Sensor A Range/Performance Bank 1 |
| P2C07 | A Camshaft Profile Actuator Position Sensor A Circuit Low Bank 1 |
| P2C08 | A Camshaft Profile Actuator Position Sensor A Circuit High Bank 1 |
| P2C09 | A Camshaft Profile Actuator Position Sensor B Circuit Bank 1 |
| P2C0A | A Camshaft Profile Actuator Position Sensor B Range/Performance Bank 1 |
| P2C0B | A Camshaft Profile Actuator Position Sensor B Circuit Low Bank 1 |
| P2C0C | A Camshaft Profile Actuator Position Sensor B Circuit High Bank 1 |
| P2C0D | A Camshaft Profile Actuator Position Sensor C Circuit Bank 1 |
| P2C0E | A Camshaft Profile Actuator Position Sensor C Range/Performance Bank 1 |
| P2C0F | A Camshaft Profile Actuator Position Sensor C Circuit Low Bank 1 |
| P2C10 | A Camshaft Profile Actuator Position Sensor C Circuit High Bank 1 |
| P2C11 | Reductant Pump A Current Too Low |
| P2C12 | B Camshaft Profile Actuator Position Sensor A Circuit Bank 1 |
| P2C13 | B Camshaft Profile Actuator Position Sensor A Range/Performance Bank 1 |
| P2C14 | B Camshaft Profile Actuator Position Sensor A Circuit Low Bank 1 |
| P2C15 | B Camshaft Profile Actuator Position Sensor A Circuit High Bank 1 |
| P2C16 | B Camshaft Profile Actuator Position Sensor B Circuit Bank 1 |
| P2C17 | B Camshaft Profile Actuator Position Sensor B Range/Performance Bank 1 |
| P2C18 | B Camshaft Profile Actuator Position Sensor B Circuit Low Bank 1 |
| P2C19 | B Camshaft Profile Actuator Position Sensor B Circuit High Bank 1 |
| P2C1A | B Camshaft Profile Actuator Position Sensor C Circuit Bank 1 |
| P2C1B | B Camshaft Profile Actuator Position Sensor C Range/Performance Bank 1 |
| P2C1C | B Camshaft Profile Actuator Position Sensor C Circuit Low Bank 1 |
| P2C1D | B Camshaft Profile Actuator Position Sensor C Circuit High Bank 1 |
| P2C1E | Cold Start Fuel Pressure Regulator A Performance |
| P2C1F | Cold Start Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low |
| P2C20 | Cold Start Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too High |
| P2C21 | Engine Oil Temperature Sensor A/B Correlation |
| P2C22 | Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit |
| P2C23 | Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Performance |
| P2C24 | Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit Low |
| P2C25 | Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit High |
| P2C26 | Fuel Injector Group B Supply Sense Circuit |
| P2C27 | Fuel Injector Group B Supply Sense Circuit Low |
| P2C28 | Fuel Injector Group B Supply Sense Circuit High |
| P2C29 | Turbocharger/Supercharger Bypass Valve B Stuck |
| P2C2A | Turbocharger/Supercharger Bypass Valve B Position Sensor Circuit/Open |
| P2C2B | Turbocharger/Supercharger Bypass Valve B Position Sensor Circuit Low |
| P2C2C | Turbocharger/Supercharger Bypass Valve B Position Sensor Circuit High |
| P2C2D | Turbocharger/Supercharger Bypass Valve B Position Exceeded Learning Limit |
| P2C2E | Turbocharger/Supercharger Bypass Valve B Supply Voltage Low |
| P2C2F | Turbocharger/Supercharger Bypass Valve B Driver Current/Temperature Too High |
| P2C30 | Ignition Coil Primary Circuit Fuse A |
| P2C31 | Ignition Coil Primary Circuit Fuse B |
| P2C32 | Crankcase Pressure Sensor B Circuit |
| P2C33 | Crankcase Pressure Sensor B Circuit Range/Performance |
| P2C34 | Crankcase Pressure Sensor B Circuit Low |
| P2C35 | Crankcase Pressure Sensor B Circuit High |
| P2C36 | Crankcase Pressure Sensor B Circuit Intermittent/Erratic |
| P2C37 | Cold Start Engine Coolant Pump Performance |
| P2C38 | Cylinder Head Temperature Sensor B Circuit |
| P2C39 | Cylinder Head Temperature Sensor B Range/Performance |
| P2C3A | Cylinder Head Temperature Sensor B Circuit Low |
| P2C3B | Cylinder Head Temperature Sensor B Circuit High |
| P2C3C | Cylinder Head Temperature Sensor B Circuit Intermittent/Erratic |
| P2C3D | Cylinder Head Temperature Sensor A/B Correlation |
| P2C3E | Fan 4 Control Circuit |
| P2C3F | Fan 4 Control Circuit Low |
| P2C40 | Fan 4 Control Circuit High |
| P2C41 | Fan 3 Performance/Stuck Off |
| P2C42 | Fan 4 Performance/Stuck Off |
| P2C43 | Battery Isolation/Voltage Stabilization Control Circuit |
| P2C44 | Battery Isolation/Voltage Stabilization Control Circuit Performance |
| P2C45 | Battery Isolation/Voltage Stabilization Control Circuit Low |
| P2C46 | Battery Isolation/Voltage Stabilization Control Circuit High |
| P2C47 | Battery Isolation/Voltage Stabilization Control Circuit Intermittent |
| P2C48 | Coolant Pump C Control Circuit Performance/Stuck Off |
| P2C49 | Coolant Pump D Control Circuit Performance/Stuck Off |
| P2C4A | Clutch Actuator Position Sensor Circuit |
| P2C4B | Clutch Actuator Position Sensor Circuit Range/Performance |
| P2C4C | Clutch Actuator Position Sensor Circuit Low |
| P2C4D | Clutch Actuator Position Sensor Circuit High |
| P2C4E | Clutch Actuator Position Sensor Circuit Intermittent/Erratic |
| P2C4F | Clutch Actuator Performance |
| P2C50 | Clutch Pedal Position Sensor A/Clutch Actuator Position Sensor Correlation |
| P2C51 | Fuel Level Sensor A/B Correlation |
| P2C52 | Cylinder 1 Fuel Injector B Offset Learning At Min Limit |
| P2C53 | Cylinder 1 Fuel Injector B Offset Learning At Max Limit |
| P2C54 | Cylinder 2 Fuel Injector B Offset Learning At Min Limit |
| P2C55 | Cylinder 2 Fuel Injector B Offset Learning At Max Limit |
| P2C56 | Cylinder 3 Fuel Injector B Offset Learning At Min Limit |
| P2C57 | Cylinder 3 Fuel Injector B Offset Learning At Max Limit |
| P2C58 | Cylinder 4 Fuel Injector B Offset Learning At Min Limit |
| P2C59 | Cylinder 4 Fuel Injector B Offset Learning At Max Limit |
| P2C5A | Cylinder 5 Fuel Injector B Offset Learning At Min Limit |
| P2C5B | Cylinder 5 Fuel Injector B Offset Learning At Max Limit |
| P2C5C | Cylinder 6 Fuel Injector B Offset Learning At Min Limit |
| P2C5D | Cylinder 6 Fuel Injector B Offset Learning At Max Limit |
| P2C5E | Cylinder 7 Fuel Injector B Offset Learning At Min Limit |
| P2C5F | Cylinder 7 Fuel Injector B Offset Learning At Max Limit |
| P2C60 | Cylinder 8 Fuel Injector B Offset Learning At Min Limit |
| P2C61 | Cylinder 8 Fuel Injector B Offset Learning At Max Limit |
| P2C62 | O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 3 |
| P2C63 | O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 3 |
| P2C64 | O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 3 |
| P2C65 | O2 Sensor Out of Range During Deceleration Bank 1 Sensor 3 |
| P2C66 | Hybrid/EV Electronics Coolant Pump A Underspeed |
| P2C67 | Hybrid/EV Electronics Coolant Pump A Overspeed |
| P2C68 | Hybrid/EV Electronics Coolant Pump A Stuck/Stalled |
| P2C69 | Drive Motor "A" Phase X Current |
| P2C6A | Drive Motor "A" Phase X Current Low |
| P2C6B | Drive Motor "A" Phase X Current High |
| P2C6C | Drive Motor "A" Phase Y Current |
| P2C6D | Drive Motor "A" Phase Y Current Low |
| P2C6E | Drive Motor "A" Phase Y Current High |
| P2C6F | Drive Motor "A" Phase Z Current |
| P2C70 | Drive Motor "A" Phase Z Current Low |
| P2C71 | Drive Motor "A" Phase Z Current High |
| P2C72 | Hybrid/EV Electronics Cooling System Performance |
| P2C73 | Active Grille Air Shutter C Stuck On |
| P2C74 | Active Grille Air Shutter C Control Circuit Range/Performance |
| P2C75 | Active Grille Air Shutter Module C Over Temperature |
| P2C76 | Active Grille Air Shutter D Stuck On |
| P2C77 | Active Grille Air Shutter D Control Circuit Range/Performance |
| P2C78 | Active Grille Air Shutter Module D Over Temperature |
| P2C79 | NOx Adsorber - Sulfur Limit Exceeded |
| P2C7A | SCR NOx Catalyst Efficiency Below Threshold Bank 1 Catalyst 2 |
| P2C7B | Turbocharger Turbine Inlet Valve Control Performance |
| P2C7C | Turbocharger Turbine Inlet Valve Supply Circuit Low |
| P2C7D | Turbocharger Turbine Inlet Valve Motor Driver High Current |
| P2C7E | Turbocharger Turbine Inlet Valve Motor Driver Overtemperature |
| P2C7F | Turbocharger Turbine Inlet Valve Position Sensor Exceeded Learning Limit |
| P2C80 | AIR System Pump Overspeed Bank 1 |
| P2C81 | AIR System Pump Overtemperature Bank 1 |
| P2C82 | AIR System Pump Supply Voltage Circuit Bank 1 |
| P2C83 | Cold Start Shift Time Too Short |
| P2C84 | Cold Start Shift Time Too Long |
| P2C85 | Hybrid/EV Battery Voltage External Isolation Fault |
| P2C86 | Hybrid/EV Battery Voltage Internal Isolation Warning |
| P2C87 | Hybrid/EV Battery Voltage External Isolation Warning |
| P2C88 | Hybrid/EV Battery Voltage System Isolation Warning |
| P2C89 | Hybrid/EV Battery System Precharge Current Too High |
| P2C8A | Hybrid/EV Battery Interface Control Module A Performance |
| P2C8B | Hybrid/EV Battery Interface Control Module B Performance |
| P2C8C | DC/DC Converter Temperature Sensor D Circuit |
| P2C8D | DC/DC Converter Temperature Sensor D Circuit Range/Performance |
| P2C8E | DC/DC Converter Temperature Sensor D Circuit Low |
| P2C8F | DC/DC Converter Temperature Sensor D Circuit High |
| P2C90 | Crankcase Ventilation System - Hose A Disconnected |
| P2C91 | Crankcase Ventilation System - Hose B Disconnected |
| P2C92 | Hybrid/EV Battery Contactor Control Supply Circuit/Open |
| P2C93 | Hybrid/EV Battery Contactor Control Supply Circuit Range/Performance |
| P2C94 | Hybrid/EV Battery Contactor Control Supply Circuit/Low |
| P2C95 | Hybrid/EV Battery Contactor Control Supply Circuit/High |
| P2C96 | Hybrid/EV Battery Disable Circuit/Open |
| P2C97 | Hybrid/EV Battery Disable Circuit Low |
| P2C98 | Hybrid/EV Battery Disable Circuit High |
| P2C99 | Throttle Actuator A Control Exceeded Learning Limit |
| P2C9A | Throttle Actuator B Control Exceeded Learning Limit |
| P2C9B | Cold Start Turbocharger/Supercharger Wastegate Actuator A Range/Performance |
| P2C9C | Cold Start Turbocharger/Supercharger Wastegate Actuator B Range/Performance |
| P2C9D | Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too High |
| P2C9E | Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too Low |
| P2C9F | Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too High |
| P2CA0 | Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too Low |
| P2CA1 | Charge Air Cooler Coolant Pump Sense Circuit High |
| P2CA2 | Charge Air Cooler Coolant Pump Sense Circuit Low |
| P2CA3 | Charge Air Cooler Coolant Pump Sense Circuit Performance |
| P2CA4 | Particulate Filter Pressure Sensor Signals Swapped A/B |
| P2CA5 | DC/DC Converter Temperature Sensor E Circuit |
| P2CA6 | DC/DC Converter Temperature Sensor E Circuit Low |
| P2CA7 | DC/DC Converter Temperature Sensor E Circuit High |
| P2CA8 | DC/DC Converter Temperature Sensor E Circuit Range/Performance |
| P2CA9 | DC/DC Converter Temperature Sensor F Circuit |
| P2CAA | DC/DC Converter Temperature Sensor F Circuit Low |
| P2CAB | DC/DC Converter Temperature Sensor F Circuit High |
| P2CAC | DC/DC Converter Temperature Sensor F Circuit Range/Performance |
| P2CAD | Charge Air Cooler Coolant Pump B Control Circuit/Open |
| P2CAE | Charge Air Cooler Coolant Pump B Control Circuit Low |
| P2CAF | Charge Air Cooler Coolant Pump B Control Circuit High |
| P2CB0 | Charge Air Cooler Coolant Pump B Performance |
| P2CB1 | Charge Air Cooler Coolant Pump B Overspeed/Air In System |
| P2CB2 | Charge Air Cooler Coolant Pump B Underspeed |
| P2CB3 | Charge Air Cooler Coolant Pump B Stuck/Stalled |
| P2CB4 | Charge Air Cooler Coolant Pump B Supply Voltage Circuit |
| P2CB5 | Charge Air Cooler Coolant Pump B Control Module Overtemperature |
| P2CB6 | Turbocharger/Supercharger Boost System Performance |
| P2CB7 | Turbocharger/Supercharger Boost Pressure B Not Detected – Mechanical |
| P2CB8 | Turbocharger/Supercharger Boost Pressure B Too High – Mechanical |
| P2CB9 | Fan 2 Underspeed |
| P2CBA | Fan 2 Overspeed |
| P2CBB | Fan 3 Underspeed |
| P2CBC | Fan 3 Overspeed |
| P2CBD | PCV Heater "B" Control Circuit /Open |
| P2CBE | PCV Heater "B" Control Circuit High |
| P2CBF | PCV Heater "B" Control Circuit Low |
| P2CC0 | PCV Heater "B" Performance |
| P2CC1 | Generator Voltage Sense Circuit B |
| P2CC2 | Generator Voltage Sense Circuit B Range/Performance |
| P2CC3 | Generator Voltage Sense Circuit B Low |
| P2CC4 | Generator Voltage Sense Circuit B High |
| P2CC5 | Generator Inverter Power Supply B Circuit/Open |
| P2CC6 | Generator Inverter Power Supply B Circuit Low |
| P2CC7 | Generator Inverter Power Supply B Circuit High |
| P2CC8 | Coolant Pump Speed Sensor Circuit |
| P2CC9 | Coolant Pump Speed Sensor Range/Performance |
| P2CCA | Coolant Pump Speed Sensor Circuit Low |
| P2CCB | Coolant Pump Speed Sensor Circuit High |
| P2CCC | Hybrid/EV Battery Pack G Deterioration |
| P2CCD | Hybrid/EV Battery Pack H Deterioration |
| P2CCE | Hybrid/EV Battery Pack I Deterioration |
| P2CCF | Hybrid/EV Battery Pack J Deterioration |
| P2CD0 | Hybrid/EV Battery Pack K Deterioration |
| P2CD1 | Hybrid/EV Battery Pack L Deterioration |
| P2CD2 | Hybrid/EV Battery Pack M Deterioration |
| P2CD3 | Hybrid/EV Battery Pack N Deterioration |
| P2CD4 | A/C Refrigerant Pressure Sensor A/B Correlation |
| P2CD5 | Turbocharger/Supercharger Bypass Valve C Stuck |
| P2CD6 | Turbocharger/Supercharger Boost Sensor D Circuit |
| P2CD7 | Turbocharger/Supercharger Boost Sensor D Circuit Range/Performance |
| P2CD8 | Turbocharger/Supercharger Boost Sensor D Circuit Low |
| P2CD9 | Turbocharger/Supercharger Boost Sensor D Circuit High |
| P2CDA | Alternative Fuel Tank A Vacuum Insulation Deteriorated |
| P2CDB | Cold Start Cylinder 1 Deactivation/Intake Valve Control Performance |
| P2CDC | Cold Start Cylinder 2 Deactivation/Intake Valve Control Performance |
| P2CDD | Cold Start Cylinder 3 Deactivation/Intake Valve Control Performance |
| P2CDE | Cold Start Cylinder 4 Deactivation/Intake Valve Control Performance |
| P2CDF | Cold Start Cylinder 5 Deactivation/Intake Valve Control Performance |
| P2CE0 | Cold Start Cylinder 6 Deactivation/Intake Valve Control Performance |
| P2CE1 | Intake Air Heater C Circuit/Open |
| P2CE2 | Intake Air Heater C Circuit Range/Performance |
| P2CE3 | Intake Air Heater C Circuit Low |
| P2CE4 | Intake Air Heater C Circuit High |
| P2CE5 | Particulate Filter Pressure Sensor C Circuit |
| P2CE6 | Particulate Filter Pressure Sensor C Range/Performance |
| P2CE7 | Particulate Filter Pressure Sensor C Circuit Low |
| P2CE8 | Particulate Filter Pressure Sensor C Circuit High |
| P2CE9 | Particulate Filter Pressure Sensor C Circuit Intermittent/Erratic |
| P2CEA | Particulate Filter Pressure Sensor D Circuit |
| P2CEB | Particulate Filter Pressure Sensor D Range/Performance |
| P2CEC | Particulate Filter Pressure Sensor D Circuit Low |
| P2CED | Particulate Filter Pressure Sensor D Circuit High |
| P2CEE | Particulate Filter Pressure Sensor D Circuit Intermittent/Erratic |
| P2CEF | Auxiliary Thermostat A Stuck Open |
| P2CF0 | Auxiliary Thermostat A Stuck Closed |
| P2CF1 | Auxiliary Thermostat B Stuck Open |
| P2CF2 | Auxiliary Thermostat B Stuck Closed |
| P2CF3 | Hybrid/EV Battery Pack Coolant Pump A Underspeed |
| P2CF4 | Hybrid/EV Battery Pack Coolant Pump B Supply Voltage Circuit |
| P2CF5 | Hybrid/EV Battery Pack Coolant Pump B Stuck/Stalled |
| P2CF6 | Hybrid/EV Battery Pack Coolant Pump B Overspeed /Air in System |
| P2CF7 | Hybrid/EV Battery Pack Coolant Pump B Underspeed |
| P2CF8 | Engine Coolant Bypass Valve D Control Circuit Driver Current/Temperature Too High |
| P2CF9 | Belt Integrated Starter Generator Belt Tensioner Control Circuit/Open |
| P2CFA | Belt Integrated Starter Generator Belt Tensioner Control Circuit Low |
| P2CFB | Belt Integrated Starter Generator Belt Tensioner Control Circuit High |
| P2CFC | A/C Clutch Control Circuit |
| P2CFD | A/C Clutch Control Circuit Low |
| P2CFE | A/C Clutch Control Circuit High |
| P2CFF | A/C Clutch Control Circuit Driver Current/Temperature Too High |
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Official meanings: OBDex (public domain, CC0). Manufacturer codes: dtc-database (MIT license), probable meanings not verified by the manufacturers. The same meaning can vary depending on the model: always have a diagnosis confirmed by a professional.