Fuel System Codes
5,039 OBD-II diagnostic trouble codes in this category.
Showing page 22 of 51 (5,039 codes total)
| Code | Description | Subsystem | Severity |
|---|---|---|---|
| P0D32 | DC/DC Converter A Over Temperature | Fuel Metering | Medium |
| P0D33 | DC/DC Converter Current High | Fuel Metering | Medium |
| P0D34 | Hybrid/EV Battery System Current | Fuel Metering | Medium |
| P0D35 | Hybrid/EV Battery System Current Unstable | Fuel Metering | Medium |
| P0D36 | Hybrid/EV Battery System Current Low | Fuel Metering | Medium |
| P0D37 | Hybrid/EV Battery System Current High | Fuel Metering | Medium |
| P0D38 | Battery Charger A Input Current Sensor Circuit | Fuel Metering | Medium |
| P0D39 | Battery Charger A Input Current Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0D3A | Battery Charger A Input Current Sensor Circuit Low | Fuel Metering | Medium |
| P0D3B | Battery Charger A Input Current Sensor Circuit High | Fuel Metering | Medium |
| P0D3C | Battery Charger A Input Current Sensor Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D3D | Battery Charger A Input Voltage Sensor A Circuit | Fuel Metering | Medium |
| P0D3E | Battery Charger A Input Voltage Sensor A Circuit Range/Performance | Fuel Metering | Medium |
| P0D3F | Battery Charger A Input Voltage Sensor A Circuit Low | Fuel Metering | Medium |
| P0D40 | Battery Charger A Input Voltage Sensor A Circuit High | Fuel Metering | Medium |
| P0D41 | Battery Charger A Input Voltage Sensor A Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D42 | Battery Charger 14 Volt Output Voltage Sensor Circuit | Fuel Metering | Medium |
| P0D43 | Battery Charger 14 Volt Output Voltage Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0D44 | Battery Charger 14 Volt Output Voltage Sensor Circuit Low | Fuel Metering | Medium |
| P0D45 | Battery Charger 14 Volt Output Voltage Sensor Circuit High | Fuel Metering | Medium |
| P0D46 | Battery Charger 14 Volt Output Voltage Sensor Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D47 | Battery Charger 14 Volt Output Current Sensor Circuit | Fuel Metering | Medium |
| P0D48 | Battery Charger 14 Volt Output Current Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0D49 | Battery Charger 14 Volt Output Current Sensor Circuit Low | Fuel Metering | Medium |
| P0D4A | Battery Charger 14 Volt Output Current Sensor Circuit High | Fuel Metering | Medium |
| P0D4B | Battery Charger 14 Volt Output Current Sensor Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D4C | Battery Charger Hybrid/EV Battery Output Voltage Sensor Circuit | Fuel Metering | Medium |
| P0D4D | Battery Charger Hybrid/EV Battery Output Voltage Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0D4E | Battery Charger Hybrid/EV Battery Output Voltage Sensor Circuit Low | Fuel Metering | Medium |
| P0D4F | Battery Charger Hybrid/EV Battery Output Voltage Sensor Circuit High | Fuel Metering | Medium |
| P0D50 | Battery Charger Hybrid/EV Battery Output Voltage Sensor Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D51 | Battery Charger Hybrid/EV Battery Output Current Sensor Circuit | Fuel Metering | Medium |
| P0D52 | Battery Charger Hybrid/EV Battery Output Current Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0D53 | Battery Charger Hybrid/EV Battery Output Current Sensor Circuit Low | Fuel Metering | Medium |
| P0D54 | Battery Charger Hybrid/EV Battery Output Current Sensor Circuit High | Fuel Metering | Medium |
| P0D55 | Battery Charger Hybrid/EV Battery Output Current Sensor Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D56 | Proximity Detection Circuit A | Fuel Metering | Medium |
| P0D57 | Proximity Detection Circuit A Range/Performance | Fuel Metering | Medium |
| P0D58 | Proximity Detection Circuit A Low | Fuel Metering | Medium |
| P0D59 | Proximity Detection Circuit A High | Fuel Metering | Medium |
| P0D5A | Proximity Detection Circuit A Intermittent/Erratic | Fuel Metering | Medium |
| P0D5B | Battery Charger 14 Volt Output Power Performance | Fuel Metering | Medium |
| P0D5C | Battery Charger Hybrid/EV Battery Output Power Performance | Fuel Metering | Medium |
| P0D5D | Battery Charger Hybrid/EV System Discharge Time Too Short | Fuel Metering | Medium |
| P0D5E | Battery Charger Hybrid/EV System Discharge Time Too Long | Fuel Metering | Medium |
| P0D5F | Hybrid/EV Battery Pack Cooling Fan 2 Sense Circuit/Open | Fuel Metering | Medium |
| P0D60 | Hybrid/EV Battery Pack Cooling Fan 2 Sense Range/Performance | Fuel Metering | Medium |
| P0D61 | Hybrid/EV Battery Pack Cooling Fan 2 Sense Circuit Low | Fuel Metering | Medium |
| P0D62 | Hybrid/EV Battery Pack Cooling Fan 2 Sense Circuit High | Fuel Metering | Medium |
| P0D63 | Hybrid/EV Battery Pack Cooling Fan 2 Sense Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D64 | Hybrid/EV Battery Pack Cooling Fan Enable Circuit/Open | Fuel Metering | Medium |
| P0D65 | Hybrid/EV Battery Pack Cooling Fan Enable Circuit Low | Fuel Metering | Medium |
| P0D66 | Hybrid/EV Battery Pack Cooling Fan Enable Circuit High | Fuel Metering | Medium |
| P0D67 | Battery Charger Control Module A Performance | Fuel Metering | Medium |
| P0D68 | A/C Compressor Motor Voltage Sensor A Circuit | Fuel Metering | Medium |
| P0D69 | A/C Compressor Motor Voltage Sensor A Performance | Fuel Metering | Medium |
| P0D6A | A/C Compressor Motor Voltage Sensor A Circuit High | Fuel Metering | Medium |
| P0D6B | A/C Compressor Motor Voltage Sensor A Circuit Low | Fuel Metering | Medium |
| P0D6C | A/C Compressor Motor Voltage Sensor A Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D6D | A/C Compressor Motor Voltage A Low | Fuel Metering | Medium |
| P0D6E | A/C Compressor Motor Voltage A High | Fuel Metering | Medium |
| P0D6F | A/C Compressor Motor Current High | Fuel Metering | Medium |
| P0D70 | A/C Compressor Control Module Internal Temperature Sensor A Circuit | Fuel Metering | Medium |
| P0D71 | A/C Compressor Control Module Internal Temperature Sensor A Performance | Fuel Metering | Medium |
| P0D72 | A/C Compressor Control Module Internal Temperature Sensor A Circuit High | Fuel Metering | Medium |
| P0D73 | A/C Compressor Control Module Internal Temperature Sensor A Circuit Low | Fuel Metering | Medium |
| P0D74 | A/C Compressor Control Module InternalTemperature Sensor A Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D75 | A/C Compressor Control Module Output Driver Temperature Sensor Circuit | Fuel Metering | Medium |
| P0D76 | A/C Compressor Control Module Output Driver Temperature Sensor Performance | Fuel Metering | Medium |
| P0D77 | A/C Compressor Control Module Output Driver Temperature Sensor Circuit High | Fuel Metering | Medium |
| P0D78 | A/C Compressor Control Module Output Driver Temperature Sensor Circuit Low | Fuel Metering | Medium |
| P0D79 | A/C Compressor Control Module Output Driver Temperature Sensor Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D7A | A/C Compressor Motor Phase U Current Low | Fuel Metering | Medium |
| P0D7B | A/C Compressor Motor Phase U Current High | Fuel Metering | Medium |
| P0D7C | A/C Compressor Motor Phase V Current Low | Fuel Metering | Medium |
| P0D7D | A/C Compressor Motor Phase V Current High | Fuel Metering | Medium |
| P0D7E | A/C Compressor Motor Phase W Current Low | Fuel Metering | Medium |
| P0D7F | A/C Compressor Motor Phase W Current High | Fuel Metering | Medium |
| P0D80 | Battery Charger Input Circuit/Open | Fuel Metering | Medium |
| P0D81 | Battery Charger Input Circuit Range/Performance | Fuel Metering | Medium |
| P0D82 | Battery Charger Input Circuit Low | Fuel Metering | Medium |
| P0D83 | Battery Charger Input Circuit High | Fuel Metering | Medium |
| P0D84 | Battery Charger Input Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0D85 | Battery Charging Output Voltage Too High | Fuel Metering | Medium |
| P0D86 | Battery Charger Coupler Status Indicator Control Circuit A/Open | Fuel Metering | Medium |
| P0D87 | Battery Charger Coupler Status Indicator Control Circuit A Low | Fuel Metering | Medium |
| P0D88 | Battery Charger Coupler Status Indicator Control Circuit A High | Fuel Metering | Medium |
| P0D89 | Battery Charger Coupler Status Indicator Control Circuit B/Open | Fuel Metering | Medium |
| P0D8A | Battery Charger Coupler Status Indicator Control Circuit B Low | Fuel Metering | Medium |
| P0D8B | Battery Charger Coupler Status Indicator Control Circuit B High | Fuel Metering | Medium |
| P0D8C | Battery Charger Coupler Status Indicator Control Circuit C/Open | Fuel Metering | Medium |
| P0D8D | Battery Charger Coupler Status Indicator Control Circuit C Low | Fuel Metering | Medium |
| P0D8E | Battery Charger Coupler Status Indicator Control Circuit C High | Fuel Metering | Medium |
| P0D8F | Battery Charger A Cooling System Performance | Fuel Metering | Medium |
| P0D90 | Battery Charger Input Frequency Incorrect | Fuel Metering | Medium |
| P0D91 | Battery Charger Coupler Lock Control Circuit/Open | Fuel Metering | Medium |
| P0D92 | Battery Charger Coupler Lock Control Circuit Low | Fuel Metering | Medium |
| P0D93 | Battery Charger Coupler Lock Control Circuit High | Fuel Metering | Medium |
| P0D94 | Battery Charger Coupler Lock Control Circuit Performance | Fuel Metering | Medium |
| P0D95 | Battery Charger Coupler Unlock Control Circuit/Open | 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.