Fuel System Codes
5,039 OBD-II diagnostic trouble codes in this category.
Showing page 25 of 51 (5,039 codes total)
| Code | Description | Subsystem | Severity |
|---|---|---|---|
| P0E5F | Battery Charger Coupler Temperature A Too High | Fuel Metering | Medium |
| P0E60 | Battery Charge Mode Control Circuit Range/Performance | Fuel Metering | Medium |
| P0E61 | Battery Charger A Enable Circuit/Open | Fuel Metering | Medium |
| P0E62 | Battery Charger A Enable Circuit Low | Fuel Metering | Medium |
| P0E63 | Battery Charger A Enable Circuit High | Fuel Metering | Medium |
| P0E64 | Battery Charger A Enable Circuit Range/Performance | Fuel Metering | Medium |
| P0E65 | Battery Charger Control Circuit/Open | Fuel Metering | Medium |
| P0E66 | Battery Charger Control Circuit Low | Fuel Metering | Medium |
| P0E67 | Battery Charger Control Circuit High | Fuel Metering | Medium |
| P0E68 | Battery Charger Control Circuit Range/Performance | Fuel Metering | Medium |
| P0E69 | Control Pilot Indicator Control Circuit Range/Performance | Fuel Metering | Medium |
| P0E6A | Battery Charging System Precharge Contactor Circuit | Fuel Metering | Medium |
| P0E6B | Battery Charging System Precharge Contactor Circuit Stuck Closed | Fuel Metering | Medium |
| P0E6C | Battery Charging System Precharge Contactor Circuit Stuck Open | Fuel Metering | Medium |
| P0E6D | Battery Charging System Precharge Contactor Control Circuit/Open | Fuel Metering | Medium |
| P0E6E | Battery Charging System Precharge Contactor Control Circuit Range/Performance | Fuel Metering | Medium |
| P0E6F | Battery Charging System Precharge Contactor Control Circuit Low | Fuel Metering | Medium |
| P0E70 | Battery Charging System Precharge Contactor Control Circuit High | Fuel Metering | Medium |
| P0E71 | Generator Torque Delivered Performance | Fuel Metering | Medium |
| P0E72 | Control Pilot Signal Low Frequency | Fuel Metering | Medium |
| P0E73 | Control Pilot Signal High Frequency | Fuel Metering | Medium |
| P0E74 | Hybrid/EV Battery Voltage Internal Isolation Fault | Fuel Metering | Medium |
| P0E75 | Coolant Bypass Valve A Control Circuit/Open | Fuel Metering | Medium |
| P0E76 | Coolant Bypass Valve A Control Circuit Low | Fuel Metering | Medium |
| P0E77 | Coolant Bypass Valve A Control Circuit High | Fuel Metering | Medium |
| P0E78 | Coolant Bypass Valve A Control Circuit Range/Performance | Fuel Metering | Medium |
| P0E79 | Coolant Bypass Valve A Control Stuck/Open | Fuel Metering | Medium |
| P0E7A | Coolant Bypass Valve A Control Stuck Closed | Fuel Metering | Medium |
| P0E7B | Coolant Bypass Valve B Control Circuit/Open | Fuel Metering | Medium |
| P0E7C | Coolant Bypass Valve B Control Circuit Low | Fuel Metering | Medium |
| P0E7D | Coolant Bypass Valve B Control Circuit High | Fuel Metering | Medium |
| P0E7E | Coolant Bypass Valve B Control Circuit Range/Performance | Fuel Metering | Medium |
| P0E7F | Coolant Bypass Valve B Control Stuck/Open | Fuel Metering | Medium |
| P0E80 | Coolant Bypass Valve B Control Stuck Closed | Fuel Metering | Medium |
| P0E81 | Auxiliary Cooling System Coolant Temperature Sensor A Circuit | Fuel Metering | Medium |
| P0E82 | Auxiliary Cooling System Coolant Temperature Sensor A Circuit Range/Performance | Fuel Metering | Medium |
| P0E83 | Auxiliary Cooling System Coolant Temperature Sensor A Circuit Low | Fuel Metering | Medium |
| P0E84 | Auxiliary Cooling System Coolant Temperature Sensor A Circuit High | Fuel Metering | Medium |
| P0E85 | Battery Charger B Temperature Too High | Fuel Metering | Medium |
| P0E86 | Battery Charger B Input Voltage Too Low | Fuel Metering | Medium |
| P0E87 | Battery Charger B Input Voltage Too High | Fuel Metering | Medium |
| P0E88 | Battery Charger B Input Current Too Low | Fuel Metering | Medium |
| P0E89 | Battery Charger B Input Current Too High | Fuel Metering | Medium |
| P0E8A | Battery Charger B Input Current Sensor Circuit | Fuel Metering | Medium |
| P0E8B | Battery Charger B Input Voltage Sensor Circuit | Fuel Metering | Medium |
| P0E8C | Drive Motor A Inverter Voltage Sensor B” Circuit | Fuel Metering | Medium |
| P0E8D | Drive Motor A Inverter Voltage Sensor B” Circuit Range/Performance | Fuel Metering | Medium |
| P0E8E | Drive Motor A Inverter Voltage Sensor B” Circuit Low | Fuel Metering | Medium |
| P0E8F | Drive Motor A Inverter Voltage Sensor B” Circuit High | Fuel Metering | Medium |
| P0E90 | Drive Motor A Inverter Voltage Sensor B” Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E91 | Drive Motor B Inverter Voltage Sensor B” Circuit | Fuel Metering | Medium |
| P0E92 | Drive Motor B Inverter Voltage Sensor B” Circuit Range/Performance | Fuel Metering | Medium |
| P0E93 | Drive Motor B Inverter Voltage Sensor B” Circuit Low | Fuel Metering | Medium |
| P0E94 | Drive Motor B Inverter Voltage Sensor B” Circuit High | Fuel Metering | Medium |
| P0E95 | Drive Motor B Inverter Voltage Sensor B” Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E96 | DC/DC Converter Voltage Sensor C Circuit | Fuel Metering | Medium |
| P0E97 | DC/DC Converter Voltage Sensor C Circuit Range/Performance | Fuel Metering | Medium |
| P0E98 | DC/DC Converter Voltage Sensor C Circuit Low | Fuel Metering | Medium |
| P0E99 | DC/DC Converter Voltage Sensor C Circuit High | Fuel Metering | Medium |
| P0E9A | DC/DC Converter Voltage Sensor C Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E9B | DC/DC Converter Current Sensor B Circuit | Fuel Metering | Medium |
| P0E9C | DC/DC Converter Current Sensor B Circuit Range/Performance | Fuel Metering | Medium |
| P0E9D | DC/DC Converter Current Sensor B Circuit Low | Fuel Metering | Medium |
| P0E9E | DC/DC Converter Current Sensor B Circuit High | Fuel Metering | Medium |
| P0E9F | DC/DC Converter Current Sensor B Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0EA0 | DC/DC Converter Current Sensor C Circuit | Fuel Metering | Medium |
| P0EA1 | DC/DC Converter Current Sensor C Circuit Range/Performance | Fuel Metering | Medium |
| P0EA2 | DC/DC Converter Current Sensor C Circuit Low | Fuel Metering | Medium |
| P0EA3 | DC/DC Converter Current Sensor C Circuit High | Fuel Metering | Medium |
| P0EA4 | DC/DC Converter Current Sensor C Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0EA5 | DC/DC Converter B Performance | Fuel Metering | Medium |
| P0EA6 | DC/DC Converter B Over Temperature | Fuel Metering | Medium |
| P0EA7 | Auxiliary Cooling System Performance | Fuel Metering | Medium |
| P0EA8 | A/C Compressor Motor Voltage Sensor B Circuit | Fuel Metering | Medium |
| P0EA9 | A/C Compressor Motor Voltage Sensor B Circuit Performance | Fuel Metering | Medium |
| P0EAA | A/C Compressor Motor Voltage Sensor B Circuit High | Fuel Metering | Medium |
| P0EAB | A/C Compressor Motor Voltage Sensor B Circuit Low | Fuel Metering | Medium |
| P0EAC | A/C Compressor Motor Voltage Sensor B Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0EAD | A/C Compressor Motor Current Sensor Circuit | Fuel Metering | Medium |
| P0EAE | A/C Compressor Motor Current Sensor Range/Performance | Fuel Metering | Medium |
| P0EAF | A/C Compressor Motor Current Sensor Circuit Low | Fuel Metering | Medium |
| P0EB0 | A/C Compressor Motor Current Sensor Circuit High | Fuel Metering | Medium |
| P0EB1 | A/C Compressor Motor Phase U Current Sensor Circuit | Fuel Metering | Medium |
| P0EB2 | A/C Compressor Motor Phase U Current Sensor Circuit High | Fuel Metering | Medium |
| P0EB3 | A/C Compressor Motor Phase U Current Sensor Circuit Low | Fuel Metering | Medium |
| P0EB4 | A/C Compressor Motor Phase U Current Sensor Range/Performance | Fuel Metering | Medium |
| P0EB5 | A/C Compressor Motor Phase V Current Sensor Circuit High | Fuel Metering | Medium |
| P0EB6 | A/C Compressor Motor Phase V Current Sensor Circuit Low | Fuel Metering | Medium |
| P0EB7 | A/C Compressor Motor Phase V Current Sensor Range/Performance | Fuel Metering | Medium |
| P0EB8 | A/C Compressor Motor Phase W Current Sensor Circuit High | Fuel Metering | Medium |
| P0EB9 | A/C Compressor Motor Phase W Current Sensor Circuit Low | Fuel Metering | Medium |
| P0EBA | A/C Compressor Motor Phase W Current Sensor Range/Performace | Fuel Metering | Medium |
| P0EBB | A/C Compressor Motor Phase V Current Sensor Circuit | Fuel Metering | Medium |
| P0EBC | A/C Refrigerant Temperature Sensor A Circuit | Fuel Metering | Medium |
| P0EBD | A/C Refrigerant Temperature Sensor A Circuit High | Fuel Metering | Medium |
| P0EBE | A/C Refrigerant Temperature Sensor A Circuit Low | Fuel Metering | Medium |
| P0EBF | A/C Refrigerant Temperature Sensor A Range/Performance | Fuel Metering | Medium |
| P0EC0 | A/C Compressor Motor Phase W Current Sensor Circuit | Fuel Metering | Medium |
| P0EC1 | A/C Refrigerant Temperature Sensor B Circuit | Fuel Metering | Medium |
| P0EC2 | A/C Refrigerant Temperature Sensor B Circuit High | 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.