Fuel System Codes
5,039 OBD-II diagnostic trouble codes in this category.
Showing page 21 of 51 (5,039 codes total)
| Code | Description | Subsystem | Severity |
|---|---|---|---|
| P0CCE | Charge Port Door A Position Sensor Circuit Low | Fuel Metering | Medium |
| P0CCF | Charge Port Door A Position Sensor Circuit High | Fuel Metering | Medium |
| P0CD0 | Charge Port Door A Position Sensor Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0CD1 | Charge Port Door A Unlock Control Circuit | Fuel Metering | Medium |
| P0CD2 | Charge Port Door A Unlock Control Circuit Performance | Fuel Metering | Medium |
| P0CD3 | Charge Port Door A Unlock Control Circuit Low | Fuel Metering | Medium |
| P0CD4 | Charge Port Door A Unlock Control Circuit High | Fuel Metering | Medium |
| P0CD5 | Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit | Fuel Metering | Medium |
| P0CD6 | Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit Range/Performance | Fuel Metering | Medium |
| P0CD7 | Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit Low | Fuel Metering | Medium |
| P0CD8 | Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit High | Fuel Metering | Medium |
| P0CD9 | Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0CDA | Drive Motor A Position Sensor Circuit C | Fuel Metering | Medium |
| P0CDB | Drive Motor A Position Sensor Circuit C Range/Performance | Fuel Metering | Medium |
| P0CDC | Drive Motor A Position Sensor Circuit C Low | Fuel Metering | Medium |
| P0CDD | Drive Motor A Position Sensor Circuit C High | Fuel Metering | Medium |
| P0CDE | Drive Motor A Position Sensor Circuit C Intermittent/Erratic | Fuel Metering | Medium |
| P0CDF | Hybrid/EV Battery Pack Coolant Control Valve A Control Circuit/Open | Fuel Metering | Medium |
| P0CE0 | Hybrid/EV Battery Pack Coolant Control Valve A Performance/Stuck Off | Fuel Metering | Medium |
| P0CE1 | Hybrid/EV Battery Pack Coolant Control Valve A Stuck On | Fuel Metering | Medium |
| P0CE2 | Hybrid/EV Battery Pack Coolant Control Valve A Control Circuit Low | Fuel Metering | Medium |
| P0CE3 | Hybrid/EV Battery Pack Coolant Control Valve A Control Circuit High | Fuel Metering | Medium |
| P0CE4 | Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit | Fuel Metering | Medium |
| P0CE5 | Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0CE6 | Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Low | Fuel Metering | Medium |
| P0CE7 | Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit High | Fuel Metering | Medium |
| P0CE8 | Hybrid/EV Battery Pack Coolant Control Valve Position Sensor Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0CE9 | Hybrid/EV Electronics Coolant Pump A Control Circuit/Open | Fuel Metering | Medium |
| P0CEA | Hybrid/EV Electronics Coolant Pump A Performance | Fuel Metering | Medium |
| P0CEB | Hybrid/EV Electronics Coolant Pump A Control Circuit Low | Fuel Metering | Medium |
| P0CEC | Hybrid/EV Electronics Coolant Pump A Control Circuit High | Fuel Metering | Medium |
| P0CED | Hybrid/EV Electronics Coolant Pump A Enable Circuit | Fuel Metering | Medium |
| P0CEE | Hybrid/EV Electronics Coolant Temperature Sensor A Circuit | Fuel Metering | Medium |
| P0CEF | Hybrid/EV Electronics Coolant Temperature Sensor A Circuit Range/Perfomance | Fuel Metering | Medium |
| P0CF0 | Hybrid/EV Electronics Coolant Temperature Sensor A Circuit Low | Fuel Metering | Medium |
| P0CF1 | Hybrid/EV Electronics Coolant Temperature Sensor A Circuit High | Fuel Metering | Medium |
| P0CF2 | Hybrid/EV Electronics Coolant Temperature Sensor A Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0CF3 | Control Pilot Circuit /Open | Fuel Metering | Medium |
| P0CF4 | Control Pilot Circuit Range/Performance | Fuel Metering | Medium |
| P0CF5 | Control Pilot Circuit Low | Fuel Metering | Medium |
| P0CF6 | Control Pilot Circuit High | Fuel Metering | Medium |
| P0CF7 | Control Pilot Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0CF8 | Control Pilot Charging Switch A Circuit/Open | Fuel Metering | Medium |
| P0CF9 | Control Pilot Charging Switch A Range/Performance | Fuel Metering | Medium |
| P0CFA | Control Pilot Charging Switch A Circuit Low | Fuel Metering | Medium |
| P0CFB | Control Pilot Charging Switch A Circuit High | Fuel Metering | Medium |
| P0CFC | Control Pilot Charging Switch A Intermittent/Erratic | Fuel Metering | Medium |
| P0CFD | Control Pilot Charging Switch A Stuck Off | Fuel Metering | Medium |
| P0CFE | Control Pilot Charging Switch A Stuck On | Fuel Metering | Medium |
| P0CFF | Hybrid/EV Battery Pack Coolant Pump A Stuck/Stalled | Fuel Metering | Medium |
| P0D00 | Control Pilot Charging Ventilation Switch Circuit/Open | Fuel Metering | Medium |
| P0D01 | Control Pilot Charging Ventilation Switch Range/Performance | Fuel Metering | Medium |
| P0D02 | Control Pilot Charging Ventilation Switch Circuit Low | Fuel Metering | Medium |
| P0D03 | Control Pilot Charging Ventilation Switch Circuit High | Fuel Metering | Medium |
| P0D04 | Control Pilot Charging Ventilation Switch Intermittent/Erratic | Fuel Metering | Medium |
| P0D05 | Control Pilot Charging Ventilation Switch Stuck Off | Fuel Metering | Medium |
| P0D06 | Control Pilot Charging Ventilation Switch Stuck On | Fuel Metering | Medium |
| P0D07 | Battery Charging System Positive Contactor A Circuit | Fuel Metering | Medium |
| P0D08 | Battery Charging System Positive Contactor A Stuck Closed | Fuel Metering | Medium |
| P0D09 | Battery Charging System Positive Contactor A Stuck Open | Fuel Metering | Medium |
| P0D0A | Battery Charging System Positive Contactor A Control Circuit/Open | Fuel Metering | Medium |
| P0D0B | Battery Charging System Positive Contactor A Control Circuit Range/Performance | Fuel Metering | Medium |
| P0D0C | Battery Charging System Positive Contactor A Control Circuit Low | Fuel Metering | Medium |
| P0D0D | Battery Charging System Positive Contactor A Control Circuit High | Fuel Metering | Medium |
| P0D0E | Battery Charging System Negative Contactor A Circuit | Fuel Metering | Medium |
| P0D0F | Battery Charging System Negative Contactor A Stuck Closed | Fuel Metering | Medium |
| P0D10 | Battery Charging System Negative Contactor A Stuck Open | Fuel Metering | Medium |
| P0D11 | Battery Charging System Negative Contactor A Control Circuit/Open | Fuel Metering | Medium |
| P0D12 | Battery Charging System Negative Contactor A Control Circuit Range/Performance | Fuel Metering | Medium |
| P0D13 | Battery Charging System Negative Contactor A Control Circuit Low | Fuel Metering | Medium |
| P0D14 | Battery Charging System Negative Contactor A Control Circuit High | Fuel Metering | Medium |
| P0D15 | Battery Charging System A High Voltage Interlock Circuit/Open | Fuel Metering | Medium |
| P0D16 | Battery Charging System A High Voltage Interlock Circuit Performance | Fuel Metering | Medium |
| P0D17 | Battery Charging System A High Voltage Interlock Circuit Low | Fuel Metering | Medium |
| P0D18 | Battery Charging System A High Voltage Interlock Circuit High | Fuel Metering | Medium |
| P0D19 | Battery Charging System A High Voltage Interlock Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D1A | Hybrid/EV Battery Pack Coolant Control Valve B Control Circuit/Open | Fuel Metering | Medium |
| P0D1B | Hybrid/EV Battery Pack Coolant Control Valve B Performance/Stuck Off | Fuel Metering | Medium |
| P0D1C | Hybrid/EV Battery Pack Coolant Control Valve B Stuck On | Fuel Metering | Medium |
| P0D1D | Hybrid/EV Battery Pack Coolant Control Valve B Control Circuit Low | Fuel Metering | Medium |
| P0D1E | Hybrid/EV Battery Pack Coolant Control Valve B Control Circuit High | Fuel Metering | Medium |
| P0D1F | Control Module Date/Time Synchronization Error | Fuel Metering | Medium |
| P0D20 | Battery Charger A Output Voltage Performance | Fuel Metering | Medium |
| P0D21 | Battery Charger A Output Voltage Too Low | Fuel Metering | Medium |
| P0D22 | Battery Charger A Output Current Performance | Fuel Metering | Medium |
| P0D23 | Battery Charger A Output Shorted | Fuel Metering | Medium |
| P0D24 | Battery Charger A Temperature Too High | Fuel Metering | Medium |
| P0D25 | Battery Charger System Precharge Time Too Short | Fuel Metering | Medium |
| P0D26 | Battery Charger System Precharge Time Too Long | Fuel Metering | Medium |
| P0D27 | Battery Charger Input Voltage Too Low | Fuel Metering | Medium |
| P0D28 | Battery Charger Input Voltage Too High | Fuel Metering | Medium |
| P0D29 | Battery Charger Input Current Too Low | Fuel Metering | Medium |
| P0D2A | Battery Charger Input Current Too High | Fuel Metering | Medium |
| P0D2B | Control Pilot Indicator Control Circuit/Open | Fuel Metering | Medium |
| P0D2C | Charge Status Indicator A Control Circuit/Open | Fuel Metering | Medium |
| P0D2D | Drive Motor A Inverter Voltage Sensor A” Circuit | Fuel Metering | Medium |
| P0D2E | Drive Motor A Inverter Voltage Sensor A” Circuit Range/Performance | Fuel Metering | Medium |
| P0D2F | Drive Motor A Inverter Voltage Sensor A” Circuit Low | Fuel Metering | Medium |
| P0D30 | Drive Motor A Inverter Voltage Sensor A” Circuit High | Fuel Metering | Medium |
| P0D31 | Drive Motor A Inverter Voltage Sensor A” Circuit Intermittent/Erratic | Fuel Metering | Medium |
About Fuel System Codes
This page lists all 5,039 OBD-II diagnostic trouble codes classified under the Fuel System category. These codes are stored by your vehicle's onboard computer when a sensor detects a malfunction in the fuel system system. Each code begins with a letter indicating the system (P for Powertrain, B for Body, C for Chassis, U for Network) followed by four digits that identify the specific fault.
When your check engine light comes on, an OBD-II scanner reads these stored codes to help pinpoint the problem. Generic codes (where the second digit is 0) follow the SAE J2012 standard and mean the same thing on every vehicle. Manufacturer-specific codes (where the second digit is 1) may have different meanings depending on the vehicle brand.
Click any code in the table above to see its full description, possible causes, common symptoms, and step-by-step repair guidance. Use the search box to quickly find a specific code within this category.