Fuel System Codes
5,039 OBD-II diagnostic trouble codes in this category.
Showing page 24 of 51 (5,039 codes total)
| Code | Description | Subsystem | Severity |
|---|---|---|---|
| P0DFA | Generator Phase U-V-W Current Sensor Correlation | Fuel Metering | Medium |
| P0DFB | Generator Position Exceeding Learn Limit | Fuel Metering | Medium |
| P0DFC | Generator Position Sensor Not Learned | Fuel Metering | Medium |
| P0DFD | Battery Charger Coolant Control Valve Control Circuit/Open | Fuel Metering | Medium |
| P0DFE | Battery Charger Coolant Control Valve Control Circuit Low | Fuel Metering | Medium |
| P0DFF | Battery Charger Coolant Control Valve Control Circuit High | Fuel Metering | Medium |
| P0E00 | Generator Phase U Current Sensor Circuit | Fuel Metering | Medium |
| P0E01 | Generator Phase U Current Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0E02 | Generator Phase U Current Sensor Circuit Low | Fuel Metering | Medium |
| P0E03 | Generator Phase U Current Sensor Circuit High | Fuel Metering | Medium |
| P0E04 | Generator Phase V Current Sensor Circuit | Fuel Metering | Medium |
| P0E05 | Generator Phase V Current Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0E06 | Generator Phase V Current Sensor Circuit Low | Fuel Metering | Medium |
| P0E07 | Generator Phase V Current Sensor Circuit High | Fuel Metering | Medium |
| P0E08 | Generator Phase W Current Sensor Circuit | Fuel Metering | Medium |
| P0E09 | Generator Phase W Current Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0E0A | Generator Phase W Current Sensor Circuit Low | Fuel Metering | Medium |
| P0E0B | Generator Phase W Current Sensor Circuit High | Fuel Metering | Medium |
| P0E0C | Generator Phase U-V-W Circuit/Open | Fuel Metering | Medium |
| P0E0D | Generator Phase U-V-W Circuit Low | Fuel Metering | Medium |
| P0E0E | Generator Phase U-V-W Circuit High | Fuel Metering | Medium |
| P0E0F | Generator Inverter Power Supply A Circuit/Open | Fuel Metering | Medium |
| P0E10 | Generator Inverter Power Supply A Circuit Low | Fuel Metering | Medium |
| P0E11 | Generator Inverter Power Supply A Circuit High | Fuel Metering | Medium |
| P0E12 | Hybrid/EV Battery Pack Coolant Heater A Control Circuit/Open | Fuel Metering | Medium |
| P0E13 | Hybrid/EV Battery Pack Coolant Heater A Control Circuit Low | Fuel Metering | Medium |
| P0E14 | Hybrid/EV Battery Pack Coolant Heater A Control Circuit High | Fuel Metering | Medium |
| P0E15 | Hybrid/EV Battery Pack Coolant Heater A Control Performance | Fuel Metering | Medium |
| P0E16 | Hybrid/EV Battery Pack Coolant Heater B Control Circuit/Open | Fuel Metering | Medium |
| P0E17 | Hybrid/EV Battery Pack Coolant Heater B Control Circuit Low | Fuel Metering | Medium |
| P0E18 | Hybrid/EV Battery Pack Coolant Heater B Control Circuit High | Fuel Metering | Medium |
| P0E19 | Hybrid/EV Battery Pack Coolant Heater B Control Performance | Fuel Metering | Medium |
| P0E1A | Hybrid/EV Battery Pack Coolant Pump B Control Circuit/Open | Fuel Metering | Medium |
| P0E1B | Hybrid/EV Battery Pack Coolant Pump B Control Circuit Low | Fuel Metering | Medium |
| P0E1C | Hybrid/EV Battery Pack Coolant Pump B Control Circuit High | Fuel Metering | Medium |
| P0E1D | Hybrid/EV Battery Pack Coolant Pump B Control Performance | Fuel Metering | Medium |
| P0E1E | Hybrid/EV Battery Pack Coolant Pump B Control Circuit Driver Current/Temperature Too High | Fuel Metering | Medium |
| P0E1F | Hybrid/EV Battery Pack Coolant Pump A Control Circuit Driver Current/Temperature Too High | Fuel Metering | Medium |
| P0E20 | Hybrid/EV Battery Pack Coolant Control Valve A Control Circuit Driver Current/Temperature Too High | Fuel Metering | Medium |
| P0E21 | Hybrid/EV Battery Pack Coolant Control Valve B Control Circuit Driver Current/Temperature Too High | Fuel Metering | Medium |
| P0E22 | Hybrid/EV Battery Pack Coolant Control Valve C Control Circuit Driver Current/Temperature Too High | Fuel Metering | Medium |
| P0E23 | Drive Motor Inverter Temperature Sensor G Circuit | Fuel Metering | Medium |
| P0E24 | Drive Motor Inverter Temperature Sensor G Circuit Range/Performance | Fuel Metering | Medium |
| P0E25 | Drive Motor Inverter Temperature Sensor G Circuit Low | Fuel Metering | Medium |
| P0E26 | Drive Motor Inverter Temperature Sensor G Circuit High | Fuel Metering | Medium |
| P0E27 | Drive Motor Inverter Temperature Sensor G Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E28 | Drive Motor Inverter Temperature Sensor H Circuit | Fuel Metering | Medium |
| P0E29 | Drive Motor Inverter Temperature Sensor H Circuit Range/Performance | Fuel Metering | Medium |
| P0E2A | Drive Motor Inverter Temperature Sensor H Circuit Low | Fuel Metering | Medium |
| P0E2B | Drive Motor Inverter Temperature Sensor H Circuit High | Fuel Metering | Medium |
| P0E2C | Drive Motor Inverter Temperature Sensor H Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E2D | Internal Control Module Hybrid/EV Battery Monitor Performance | Fuel Metering | Medium |
| P0E2E | Battery Charger A Fuse | Fuel Metering | Medium |
| P0E2F | High Voltage Fuse B | Fuel Metering | Medium |
| P0E30 | High Voltage Fuse C | Fuel Metering | Medium |
| P0E31 | DC/DC Converter Voltage Sensor A Circuit | Fuel Metering | Medium |
| P0E32 | DC/DC Converter Voltage Sensor A Range/Performance | Fuel Metering | Medium |
| P0E33 | DC/DC Converter Voltage Sensor A Low | Fuel Metering | Medium |
| P0E34 | DC/DC Converter Voltage Sensor A High | Fuel Metering | Medium |
| P0E35 | DC/DC Converter Voltage Sensor A Intermittent/Erratic | Fuel Metering | Medium |
| P0E36 | DC/DC Converter Voltage Sensor BCircuit | Fuel Metering | Medium |
| P0E37 | DC/DC Converter Voltage Sensor B Range/Performance | Fuel Metering | Medium |
| P0E38 | DC/DC Converter Voltage Sensor B Low | Fuel Metering | Medium |
| P0E39 | DC/DC Converter Voltage Sensor B High | Fuel Metering | Medium |
| P0E3A | DC/DC Converter Voltage Sensor B Intermittent/Erratic | Fuel Metering | Medium |
| P0E3B | Hybrid/EV Battery Coolant Pump Overspeed | Fuel Metering | Medium |
| P0E3C | Hybrid/EV Battery Coolant Pump Underspeed | Fuel Metering | Medium |
| P0E3D | Control Pilot Indicator Control Circuit Low | Fuel Metering | Medium |
| P0E3E | Control Pilot Indicator Control Circuit High | Fuel Metering | Medium |
| P0E3F | Charge Status Indicator A Control Circuit Low | Fuel Metering | Medium |
| P0E40 | Charge Status Indicator A Control Circuit High | Fuel Metering | Medium |
| P0E41 | Charge Status Indicator B Control Circuit Low | Fuel Metering | Medium |
| P0E42 | Charge Status Indicator B Control Circuit High | Fuel Metering | Medium |
| P0E43 | Hybrid/EV Powertrain Control Module B | Fuel Metering | Medium |
| P0E44 | Hybrid/EV Battery Pack Voltage Sense E Circuit | Fuel Metering | Medium |
| P0E45 | Hybrid/EV Battery Pack Voltage Sense E Circuit Range/Performance | Fuel Metering | Medium |
| P0E46 | Hybrid/EV Battery Pack Voltage Sense E Circuit Low | Fuel Metering | Medium |
| P0E47 | Hybrid/EV Battery Pack Voltage Sense E Circuit High | Fuel Metering | Medium |
| P0E48 | Hybrid/EV Battery Pack Voltage Sense E Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E49 | Hybrid/EV Battery Pack Voltage Sense F Circuit | Fuel Metering | Medium |
| P0E4A | Hybrid/EV Battery Pack Voltage Sense F Circuit Range/Performance | Fuel Metering | Medium |
| P0E4B | Hybrid/EV Battery Pack Voltage Sense F Circuit Low | Fuel Metering | Medium |
| P0E4C | Hybrid/EV Battery Pack Voltage Sense F Circuit High | Fuel Metering | Medium |
| P0E4D | Hybrid/EV Battery Pack Voltage Sense F Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E4F | Motor Electronics Coolant Pump A Control Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E50 | Motor Electronics Coolant Pump B Control Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E51 | DC/DC Converter Current Sensor A Circuit | Fuel Metering | Medium |
| P0E52 | DC/DC Converter Current Sensor A Circuit Range/Performance | Fuel Metering | Medium |
| P0E53 | DC/DC Converter Current Sensor A Circuit Low | Fuel Metering | Medium |
| P0E54 | DC/DC Converter Current Sensor A Circuit High | Fuel Metering | Medium |
| P0E55 | DC/DC Converter Current Sensor A Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E56 | DC/DC Converter Input Voltage Too Low | Fuel Metering | Medium |
| P0E57 | DC/DC Converter Input Voltage Too High | Fuel Metering | Medium |
| P0E58 | DC/DC Converter Temperature Sensor C Circuit | Fuel Metering | Medium |
| P0E59 | DC/DC Converter Temperature Sensor C Circuit Range/Performance | Fuel Metering | Medium |
| P0E5A | DC/DC Converter Temperature Sensor C Circuit Low | Fuel Metering | Medium |
| P0E5B | DC/DC Converter Temperature Sensor C Circuit High | Fuel Metering | Medium |
| P0E5C | DC/DC Converter Temperature Sensor C Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0E5D | DC/DC Converter Enable Circuit intermittent/Erratic | Fuel Metering | Medium |
| P0E5E | Battery Charger Control Module A Processor Performance | 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.