P2Cxx codes: Hybrid propulsion
256 powertrain trouble codes from P2C00 to P2CFF. They mostly involve the wiring harness, ECM, dcdc converter and bms.
All P2Cxx codes
238 of these codes usually turn on the check engine light; 48 can often be fixed at home.
| Code | Meaning | Difficulty |
|---|---|---|
| P2C00 | Fuel Pressure Regulator C Performance | Hard |
| P2C01 | Fuel Pressure Regulator D Performance | Hard |
| P2C02 | Fuel Pressure Regulator D Control Circuit/Open | Medium |
| P2C03 | Fuel Pressure Regulator D Control Circuit Low | Medium |
| P2C04 | Fuel Pressure Regulator D Control Circuit High | Medium |
| P2C05 | A Camshaft Profile Actuator Position Sensor A Circuit Bank 1 | Medium |
| P2C06 | A Camshaft Profile Actuator Position Sensor A Range/Performance Bank 1 | Medium |
| P2C07 | A Camshaft Profile Actuator Position Sensor A Circuit Low Bank 1 | Medium |
| P2C08 | A Camshaft Profile Actuator Position Sensor A Circuit High Bank 1 | Medium |
| P2C09 | A Camshaft Profile Actuator Position Sensor B Circuit Bank 1 | Medium |
| P2C0A | A Camshaft Profile Actuator Position Sensor B Range/Performance Bank 1 | Medium |
| P2C0B | A Camshaft Profile Actuator Position Sensor B Circuit Low Bank 1 | Medium |
| P2C0C | A Camshaft Profile Actuator Position Sensor B Circuit High Bank 1 | Medium |
| P2C0D | A Camshaft Profile Actuator Position Sensor C Circuit Bank 1 | Medium |
| P2C0E | A Camshaft Profile Actuator Position Sensor C Range/Performance Bank 1 | Medium |
| P2C0F | A Camshaft Profile Actuator Position Sensor C Circuit Low Bank 1 | Medium |
| P2C10 | A Camshaft Profile Actuator Position Sensor C Circuit High Bank 1 | Medium |
| P2C11 | Reductant Pump A Current Too Low | Hard |
| P2C12 | B Camshaft Profile Actuator Position Sensor A Circuit Bank 1 | Medium |
| P2C13 | B Camshaft Profile Actuator Position Sensor A Range/Performance Bank 1 | Medium |
| P2C14 | B Camshaft Profile Actuator Position Sensor A Circuit Low Bank 1 | Medium |
| P2C15 | B Camshaft Profile Actuator Position Sensor A Circuit High Bank 1 | Medium |
| P2C16 | B Camshaft Profile Actuator Position Sensor B Circuit Bank 1 | Medium |
| P2C17 | B Camshaft Profile Actuator Position Sensor B Range/Performance Bank 1 | Medium |
| P2C18 | B Camshaft Profile Actuator Position Sensor B Circuit Low Bank 1 | Medium |
| P2C19 | B Camshaft Profile Actuator Position Sensor B Circuit High Bank 1 | Medium |
| P2C1A | B Camshaft Profile Actuator Position Sensor C Circuit Bank 1 | Medium |
| P2C1B | B Camshaft Profile Actuator Position Sensor C Range/Performance Bank 1 | Medium |
| P2C1C | B Camshaft Profile Actuator Position Sensor C Circuit Low Bank 1 | Medium |
| P2C1D | B Camshaft Profile Actuator Position Sensor C Circuit High Bank 1 | Medium |
| P2C1E | Cold Start Fuel Pressure Regulator A Performance | Medium |
| P2C1F | Cold Start Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low | Medium |
| P2C20 | Cold Start Fuel Pressure Regulator A Exceeded Control Limits - Pressure Too High | Medium |
| P2C21 | Engine Oil Temperature Sensor A/B Correlation | Medium |
| P2C22 | Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit | Hard |
| P2C23 | Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Performance | Medium |
| P2C24 | Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit Low | Medium |
| P2C25 | Exhaust Heat Exchanger Exhaust Bypass Valve A Position Sensor Circuit High | Medium |
| P2C26 | Fuel Injector Group B Supply Sense Circuit | Medium |
| P2C27 | Fuel Injector Group B Supply Sense Circuit Low | Medium |
| P2C28 | Fuel Injector Group B Supply Sense Circuit High | Medium |
| P2C29 | Turbocharger/Supercharger Bypass Valve B Stuck | Hard |
| P2C2A | Turbocharger/Supercharger Bypass Valve B Position Sensor Circuit/Open | Medium |
| P2C2B | Turbocharger/Supercharger Bypass Valve B Position Sensor Circuit Low | Medium |
| P2C2C | Turbocharger/Supercharger Bypass Valve B Position Sensor Circuit High | Medium |
| P2C2D | Turbocharger/Supercharger Bypass Valve B Position Exceeded Learning Limit | Hard |
| P2C2E | Turbocharger/Supercharger Bypass Valve B Supply Voltage Low | Medium |
| P2C2F | Turbocharger/Supercharger Bypass Valve B Driver Current/Temperature Too High | Medium |
| P2C30 | Ignition Coil Primary Circuit Fuse A | Medium |
| P2C31 | Ignition Coil Primary Circuit Fuse B | Medium |
| P2C32 | Crankcase Pressure Sensor B Circuit | Medium |
| P2C33 | Crankcase Pressure Sensor B Circuit Range/Performance | Medium |
| P2C34 | Crankcase Pressure Sensor B Circuit Low | Medium |
| P2C35 | Crankcase Pressure Sensor B Circuit High | Medium |
| P2C36 | Crankcase Pressure Sensor B Circuit Intermittent/Erratic | Medium |
| P2C37 | Cold Start Engine Coolant Pump Performance | Hard |
| P2C38 | Cylinder Head Temperature Sensor B Circuit | Medium |
| P2C39 | Cylinder Head Temperature Sensor B Range/Performance | Medium |
| P2C3A | Cylinder Head Temperature Sensor B Circuit Low | Medium |
| P2C3B | Cylinder Head Temperature Sensor B Circuit High | Medium |
| P2C3C | Cylinder Head Temperature Sensor B Circuit Intermittent/Erratic | Medium |
| P2C3D | Cylinder Head Temperature Sensor A/B Correlation | Medium |
| P2C3E | Fan 4 Control Circuit | Medium |
| P2C3F | Fan 4 Control Circuit Low | Medium |
| P2C40 | Fan 4 Control Circuit High | Medium |
| P2C41 | Fan 3 Performance/Stuck Off | Medium |
| P2C42 | Fan 4 Performance/Stuck Off | Medium |
| P2C43 | Battery Isolation/Voltage Stabilization Control Circuit | Medium |
| P2C44 | Battery Isolation/Voltage Stabilization Control Circuit Performance | Medium |
| P2C45 | Battery Isolation/Voltage Stabilization Control Circuit Low | Medium |
| P2C46 | Battery Isolation/Voltage Stabilization Control Circuit High | Medium |
| P2C47 | Battery Isolation/Voltage Stabilization Control Circuit Intermittent | Medium |
| P2C48 | Coolant Pump C Control Circuit Performance/Stuck Off | Medium |
| P2C49 | Coolant Pump D Control Circuit Performance/Stuck Off | Medium |
| P2C4A | Clutch Actuator Position Sensor Circuit | Hard |
| P2C4B | Clutch Actuator Position Sensor Circuit Range/Performance | Hard |
| P2C4C | Clutch Actuator Position Sensor Circuit Low | Medium |
| P2C4D | Clutch Actuator Position Sensor Circuit High | Medium |
| P2C4E | Clutch Actuator Position Sensor Circuit Intermittent/Erratic | Medium |
| P2C4F | Clutch Actuator Performance | Hard |
| P2C50 | Clutch Pedal Position Sensor A/Clutch Actuator Position Sensor Correlation | Hard |
| P2C51 | Fuel Level Sensor A/B Correlation | Medium |
| P2C52 | Cylinder 1 Fuel Injector B Offset Learning At Min Limit | Medium |
| P2C53 | Cylinder 1 Fuel Injector B Offset Learning At Max Limit | Medium |
| P2C54 | Cylinder 2 Fuel Injector B Offset Learning At Min Limit | Medium |
| P2C55 | Cylinder 2 Fuel Injector B Offset Learning At Max Limit | Medium |
| P2C56 | Cylinder 3 Fuel Injector B Offset Learning At Min Limit | Medium |
| P2C57 | Cylinder 3 Fuel Injector B Offset Learning At Max Limit | Medium |
| P2C58 | Cylinder 4 Fuel Injector B Offset Learning At Min Limit | Medium |
| P2C59 | Cylinder 4 Fuel Injector B Offset Learning At Max Limit | Medium |
| P2C5A | Cylinder 5 Fuel Injector B Offset Learning At Min Limit | Medium |
| P2C5B | Cylinder 5 Fuel Injector B Offset Learning At Max Limit | Medium |
| P2C5C | Cylinder 6 Fuel Injector B Offset Learning At Min Limit | Medium |
| P2C5D | Cylinder 6 Fuel Injector B Offset Learning At Max Limit | Medium |
| P2C5E | Cylinder 7 Fuel Injector B Offset Learning At Min Limit | Medium |
| P2C5F | Cylinder 7 Fuel Injector B Offset Learning At Max Limit | Medium |
| P2C60 | Cylinder 8 Fuel Injector B Offset Learning At Min Limit | Medium |
| P2C61 | Cylinder 8 Fuel Injector B Offset Learning At Max Limit | Medium |
| P2C62 | O2 Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 3 | Medium |
| P2C63 | O2 Sensor Pumping Current Trim Circuit Low Bank 1 Sensor 3 | Medium |
| P2C64 | O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 3 | Medium |
| P2C65 | O2 Sensor Out of Range During Deceleration Bank 1 Sensor 3 | Medium |
| P2C66 | Hybrid/EV Electronics Coolant Pump A Underspeed | Hard |
| P2C67 | Hybrid/EV Electronics Coolant Pump A Overspeed | Medium |
| P2C68 | Hybrid/EV Electronics Coolant Pump A Stuck/Stalled | Hard |
| P2C69 | Drive Motor A Phase X Current | Workshop only |
| P2C6A | Drive Motor A Phase X Current Low | Workshop only |
| P2C6B | Drive Motor A Phase X Current High | Workshop only |
| P2C6C | Drive Motor A Phase Y Current | Workshop only |
| P2C6D | Drive Motor A Phase Y Current Low | Workshop only |
| P2C6E | Drive Motor A Phase Y Current High | Workshop only |
| P2C6F | Drive Motor A Phase Z Current | Workshop only |
| P2C70 | Drive Motor A Phase Z Current Low | Workshop only |
| P2C71 | Drive Motor A Phase Z Current High | Workshop only |
| P2C72 | Hybrid/EV Electronics Cooling System Performance | Medium |
| P2C73 | Active Grille Air Shutter C Stuck On | Medium |
| P2C74 | Active Grille Air Shutter C Control Circuit Range/Performance | Medium |
| P2C75 | Active Grille Air Shutter Module C Over Temperature | Medium |
| P2C76 | Active Grille Air Shutter D Stuck On | Medium |
| P2C77 | Active Grille Air Shutter D Control Circuit Range/Performance | Medium |
| P2C78 | Active Grille Air Shutter Module D Over Temperature | Medium |
| P2C79 | NOx Adsorber - Sulfur Limit Exceeded | Medium |
| P2C7A | SCR NOx Catalyst Efficiency Below Threshold Bank 1 Catalyst 2 | Hard |
| P2C7B | Turbocharger Turbine Inlet Valve Control Performance | Hard |
| P2C7C | Turbocharger Turbine Inlet Valve Supply Circuit Low | Medium |
| P2C7D | Turbocharger Turbine Inlet Valve Motor Driver High Current | Hard |
| P2C7E | Turbocharger Turbine Inlet Valve Motor Driver Overtemperature | Hard |
| P2C7F | Turbocharger Turbine Inlet Valve Position Sensor Exceeded Learning Limit | Medium |
| P2C80 | AIR System Pump Overspeed Bank 1 | Medium |
| P2C81 | AIR System Pump Overtemperature Bank 1 | Medium |
| P2C82 | AIR System Pump Supply Voltage Circuit Bank 1 | Easy |
| P2C83 | Cold Start Shift Time Too Short | Hard |
| P2C84 | Cold Start Shift Time Too Long | Hard |
| P2C85 | Hybrid/EV Battery Voltage External Isolation Fault | Workshop only |
| P2C86 | Hybrid/EV Battery Voltage Internal Isolation Warning | Workshop only |
| P2C87 | Hybrid/EV Battery Voltage External Isolation Warning | Workshop only |
| P2C88 | Hybrid/EV Battery Voltage System Isolation Warning | Workshop only |
| P2C89 | Hybrid/EV Battery System Precharge Current Too High | Workshop only |
| P2C8A | Hybrid/EV Battery Interface Control Module A Performance | Workshop only |
| P2C8B | Hybrid/EV Battery Interface Control Module B Performance | Workshop only |
| P2C8C | DC/DC Converter Temperature Sensor D Circuit | Workshop only |
| P2C8D | DC/DC Converter Temperature Sensor D Circuit Range/Performance | Workshop only |
| P2C8E | DC/DC Converter Temperature Sensor D Circuit Low | Workshop only |
| P2C8F | DC/DC Converter Temperature Sensor D Circuit High | Workshop only |
| P2C90 | Crankcase Ventilation System - Hose A Disconnected | Easy |
| P2C91 | Crankcase Ventilation System - Hose B Disconnected | Easy |
| P2C92 | Hybrid/EV Battery Contactor Control Supply Circuit/Open | Hard |
| P2C93 | Hybrid/EV Battery Contactor Control Supply Circuit Range/Performance | Hard |
| P2C94 | Hybrid/EV Battery Contactor Control Supply Circuit Low | Workshop only |
| P2C95 | Hybrid/EV Battery Contactor Control Supply Circuit High | Hard |
| P2C96 | Hybrid/EV Battery Disable Circuit/Open | Workshop only |
| P2C97 | Hybrid/EV Battery Disable Circuit Low | Workshop only |
| P2C98 | Hybrid/EV Battery Disable Circuit High | Workshop only |
| P2C99 | Throttle Actuator A Control Exceeded Learning Limit | Medium |
| P2C9A | Throttle Actuator B Control Exceeded Learning Limit | Medium |
| P2C9B | Cold Start Turbocharger/Supercharger Wastegate Actuator A Range/Performance | Medium |
| P2C9C | Cold Start Turbocharger/Supercharger Wastegate Actuator B Range/Performance | Medium |
| P2C9D | Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too High | Hard |
| P2C9E | Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too Low | Hard |
| P2C9F | Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too High | Hard |
| P2CA0 | Fuel Pressure Regulator D Exceeded Control Limits - Pressure Too Low | Hard |
| P2CA1 | Charge Air Cooler Coolant Pump Sense Circuit High | Medium |
| P2CA2 | Charge Air Cooler Coolant Pump Sense Circuit Low | Medium |
| P2CA3 | Charge Air Cooler Coolant Pump Sense Circuit Performance | Medium |
| P2CA4 | Particulate Filter Pressure Sensor Signals Swapped A/B | Medium |
| P2CA5 | DC/DC Converter Temperature Sensor E Circuit | Workshop only |
| P2CA6 | DC/DC Converter Temperature Sensor E Circuit Low | Workshop only |
| P2CA7 | DC/DC Converter Temperature Sensor E Circuit High | Workshop only |
| P2CA8 | DC/DC Converter Temperature Sensor E Circuit Range/Performance | Workshop only |
| P2CA9 | DC/DC Converter Temperature Sensor F Circuit | Workshop only |
| P2CAA | DC/DC Converter Temperature Sensor F Circuit Low | Workshop only |
| P2CAB | DC/DC Converter Temperature Sensor F Circuit High | Workshop only |
| P2CAC | DC/DC Converter Temperature Sensor F Circuit Range/Performance | Workshop only |
| P2CAD | Charge Air Cooler Coolant Pump B Control Circuit/Open | Medium |
| P2CAE | Charge Air Cooler Coolant Pump B Control Circuit Low | Medium |
| P2CAF | Charge Air Cooler Coolant Pump B Control Circuit High | Medium |
| P2CB0 | Charge Air Cooler Coolant Pump B Performance | Medium |
| P2CB1 | Charge Air Cooler Coolant Pump B Overspeed/Air In System | Medium |
| P2CB2 | Charge Air Cooler Coolant Pump B Underspeed | Medium |
| P2CB3 | Charge Air Cooler Coolant Pump B Stuck/Stalled | Medium |
| P2CB4 | Charge Air Cooler Coolant Pump B Supply Voltage Circuit | Easy |
| P2CB5 | Charge Air Cooler Coolant Pump B Control Module Overtemperature | Medium |
| P2CB6 | Turbocharger/Supercharger B Boost System Performance | Medium |
| P2CB7 | Turbocharger/Supercharger Boost Pressure B Not Detected - Mechanical | Medium |
| P2CB8 | Turbocharger/Supercharger Boost Pressure B Too High - Mechanical | Medium |
| P2CB9 | Fan 2 Underspeed | Medium |
| P2CBA | Fan 2 Overspeed | Medium |
| P2CBB | Fan 3 Underspeed | Hard |
| P2CBC | Fan 3 Overspeed | Hard |
| P2CBD | PCV Heater B Control Circuit/Open | Easy |
| P2CBE | PCV Heater B Control Circuit High | Medium |
| P2CBF | PCV Heater B Control Circuit Low | Medium |
| P2CC0 | PCV Heater B Performance | Medium |
| P2CC1 | Generator Voltage Sense Circuit B | Medium |
| P2CC2 | Generator Voltage Sense Circuit B Range/Performance | Medium |
| P2CC3 | Generator Voltage Sense Circuit B Low | Medium |
| P2CC4 | Generator Voltage Sense Circuit B High | Medium |
| P2CC5 | Generator Inverter Power Supply B Circuit/Open | Workshop only |
| P2CC6 | Generator Inverter Power Supply B Circuit Low | Workshop only |
| P2CC7 | Generator Inverter Power Supply B Circuit High | Workshop only |
| P2CC8 | Coolant Pump Speed Sensor Circuit | Medium |
| P2CC9 | Coolant Pump Speed Sensor Range/Performance | Medium |
| P2CCA | Coolant Pump Speed Sensor Circuit Low | Medium |
| P2CCB | Coolant Pump Speed Sensor Circuit High | Medium |
| P2CCC | Hybrid/EV Battery Pack G Deterioration | Workshop only |
| P2CCD | Hybrid/EV Battery Pack H Deterioration | Workshop only |
| P2CCE | Hybrid/EV Battery Pack I Deterioration | Workshop only |
| P2CCF | Hybrid/EV Battery Pack J Deterioration | Workshop only |
| P2CD0 | Hybrid/EV Battery Pack K Deterioration | Workshop only |
| P2CD1 | Hybrid/EV Battery Pack L Deterioration | Workshop only |
| P2CD2 | Hybrid/EV Battery Pack M Deterioration | Workshop only |
| P2CD3 | Hybrid/EV Battery Pack N Deterioration | Workshop only |
| P2CD4 | A/C Refrigerant Pressure Sensor A/B Correlation | Medium |
| P2CD5 | Turbocharger/Supercharger Bypass Valve C Stuck | Hard |
| P2CD6 | Turbocharger/Supercharger Boost Sensor D Circuit | Medium |
| P2CD7 | Turbocharger/Supercharger Boost Sensor D Circuit Range/Performance | Medium |
| P2CD8 | Turbocharger/Supercharger Boost Sensor D Circuit Low | Medium |
| P2CD9 | Turbocharger/Supercharger Boost Sensor D Circuit High | Medium |
| P2CDA | Alternative Fuel Tank A Vacuum Insulation Deteriorated | Workshop only |
| P2CDB | Cold Start Cylinder 1 Deactivation/Intake Valve Control Performance | Hard |
| P2CDC | Cold Start Cylinder 2 Deactivation/Intake Valve Control Performance | Hard |
| P2CDD | Cold Start Cylinder 3 Deactivation/Intake Valve Control Performance | Hard |
| P2CDE | Cold Start Cylinder 4 Deactivation/Intake Valve Control Performance | Hard |
| P2CDF | Cold Start Cylinder 5 Deactivation/Intake Valve Control Performance | Hard |
| P2CE0 | Cold Start Cylinder 6 Deactivation/Intake Valve Control Performance | Hard |
| P2CE1 | Intake Air Heater C Circuit/Open | Medium |
| P2CE2 | Intake Air Heater C Circuit Range/Performance | Medium |
| P2CE3 | Intake Air Heater C Circuit Low | Medium |
| P2CE4 | Intake Air Heater C Circuit High | Medium |
| P2CE5 | Particulate Filter Pressure Sensor C Circuit | Medium |
| P2CE6 | Particulate Filter Pressure Sensor C Circuit Range/Performance | Medium |
| P2CE7 | Particulate Filter Pressure Sensor C Circuit Low | Medium |
| P2CE8 | Particulate Filter Pressure Sensor C Circuit High | Medium |
| P2CE9 | Particulate Filter Pressure Sensor C Circuit Intermittent/Erratic | Medium |
| P2CEA | Particulate Filter Pressure Sensor D Circuit | Medium |
| P2CEB | Particulate Filter Pressure Sensor D Circuit Range/Performance | Medium |
| P2CEC | Particulate Filter Pressure Sensor D Circuit Low | Medium |
| P2CED | Particulate Filter Pressure Sensor D Circuit High | Medium |
| P2CEE | Particulate Filter Pressure Sensor D Circuit Intermittent/Erratic | Medium |
| P2CEF | Auxiliary Thermostat A Stuck Open | Medium |
| P2CF0 | Auxiliary Thermostat A Stuck Closed | Medium |
| P2CF1 | Auxiliary Thermostat B Stuck Open | Medium |
| P2CF2 | Auxiliary Thermostat B Stuck Closed | Medium |
| P2CF3 | Hybrid/EV Battery Pack Coolant Pump A Underspeed | Medium |
| P2CF4 | Hybrid/EV Battery Pack Coolant Pump B Supply Voltage Circuit | Medium |
| P2CF5 | Hybrid/EV Battery Pack Coolant Pump B Stuck/Stalled | Medium |
| P2CF6 | Hybrid/EV Battery Pack Coolant Pump B Overspeed/Air in System | Medium |
| P2CF7 | Hybrid/EV Battery Pack Coolant Pump B Underspeed | Medium |
| P2CF8 | Engine Coolant Bypass Valve D Control Circuit Driver Current/Temperature Too High | Medium |
| P2CF9 | Belt Integrated Starter Generator Belt Tensioner Control Circuit/Open | Medium |
| P2CFA | Belt Integrated Starter Generator Belt Tensioner Control Circuit Low | Medium |
| P2CFB | Belt Integrated Starter Generator Belt Tensioner Control Circuit High | Medium |
| P2CFC | A/C Clutch Control Circuit | Medium |
| P2CFD | A/C Clutch Control Circuit Low | Medium |
| P2CFE | A/C Clutch Control Circuit High | Medium |
| P2CFF | A/C Clutch Control Circuit Driver Current/Temperature Too High | Medium |