Fuel System Codes
5,039 OBD-II diagnostic trouble codes in this category.
Showing page 19 of 51 (5,039 codes total)
| Code | Description | Subsystem | Severity |
|---|---|---|---|
| P0C06 | Drive Motor A Phase U-V-W Circuit Low | Fuel Metering | Medium |
| P0C07 | Drive Motor A Phase U-V-W Circuit High | Fuel Metering | Medium |
| P0C08 | Drive Motor B Phase U-V-W Circuit/Open | Fuel Metering | Medium |
| P0C09 | Drive Motor B Phase U-V-W Circuit Low | Fuel Metering | Medium |
| P0C0A | Drive Motor B Phase U-V-W Circuit High | Fuel Metering | Medium |
| P0C0B | Drive Motor A Inverter Power Supply Circuit/Open | Fuel Metering | Medium |
| P0C0C | Drive Motor A Inverter Power Supply Circuit Low | Fuel Metering | Medium |
| P0C0D | Drive Motor A Inverter Power Supply Circuit High | Fuel Metering | Medium |
| P0C0E | Drive Motor B Inverter Power Supply Circuit/Open | Fuel Metering | Medium |
| P0C0F | Drive Motor B Inverter Power Supply Circuit Low | Fuel Metering | Medium |
| P0C10 | Drive Motor B Inverter Power Supply Circuit High | Fuel Metering | Medium |
| P0C11 | Drive Motor A Inverter Phase U Over Temperature | Fuel Metering | Medium |
| P0C12 | Drive Motor A Inverter Phase V Over Temperature | Fuel Metering | Medium |
| P0C13 | Drive Motor A Inverter Phase W Over Temperature | Fuel Metering | Medium |
| P0C14 | Drive Motor B Inverter Phase U Over Temperature | Fuel Metering | Medium |
| P0C15 | Drive Motor B Inverter Phase V Over Temperature | Fuel Metering | Medium |
| P0C16 | Drive Motor B Inverter Phase W Over Temperature | Fuel Metering | Medium |
| P0C17 | Drive Motor A Position Sensor Not Learned | Fuel Metering | Medium |
| P0C18 | Drive Motor B Position Sensor Not Learned | Fuel Metering | Medium |
| P0C19 | Drive Motor A Torque Delivered Performance | Fuel Metering | Medium |
| P0C1A | Drive Motor B Torque Delivered Performance | Fuel Metering | Medium |
| P0C1B | Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Too High | Fuel Metering | Medium |
| P0C1C | Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit | Fuel Metering | Medium |
| P0C1D | Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit Range/Performance | Fuel Metering | Medium |
| P0C1E | Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit Low | Fuel Metering | Medium |
| P0C1F | Electric/Auxiliary Transmission Fluid Pump Control Module Internal Temperature Sensor Circuit High | Fuel Metering | Medium |
| P0C20 | Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit/Open | Fuel Metering | Medium |
| P0C21 | Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit Low | Fuel Metering | Medium |
| P0C22 | Electric/Auxiliary Transmission Fluid Pump Phase U-V-W Circuit High | Fuel Metering | Medium |
| P0C23 | Electric/Auxiliary Transmission Fluid Pump Control Module Circuit/Open | Fuel Metering | Medium |
| P0C24 | Electric/Auxiliary Transmission Fluid Pump Control Module Circuit Low | Fuel Metering | Medium |
| P0C25 | Electric/Auxiliary Transmission Fluid Pump Control Module Circuit High | Fuel Metering | Medium |
| P0C26 | Electric/Auxiliary Transmission Fluid Pump A Motor Current | Fuel Metering | Medium |
| P0C27 | Electric/Auxiliary Transmission Fluid Pump A Motor Current Low | Fuel Metering | Medium |
| P0C28 | Electric/Auxiliary Transmission Fluid Pump A Motor Current High | Fuel Metering | Medium |
| P0C29 | Electric/Auxiliary Transmission Fluid Pump A Driver Circuit Performance | Fuel Metering | Medium |
| P0C2A | Electric/Auxiliary Transmission Fluid Pump A Motor Stalled | Fuel Metering | Medium |
| P0C2B | Electric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal | Fuel Metering | Medium |
| P0C2C | Electric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal Range/Performance | Fuel Metering | Medium |
| P0C2D | Electric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal Low | Fuel Metering | Medium |
| P0C2E | Electric/Auxiliary Transmission Fluid Pump Control Module Feedback Signal High | Fuel Metering | Medium |
| P0C2F | Internal Control Module Drive Motor/Generator - Engine Speed Sensor Performance | Fuel Metering | Medium |
| P0C30 | Hybrid/EV Battery Pack State of Charge High | Fuel Metering | Medium |
| P0C31 | Inverter B Cooling System Performance | Fuel Metering | Medium |
| P0C32 | Hybrid/EV Battery Cooling System A Performance | Fuel Metering | Medium |
| P0C33 | Hybrid/EV Battery Temperature Sensor F Circuit | Fuel Metering | Medium |
| P0C34 | Hybrid/EV Battery Temperature Sensor F Circuit Range/Performance | Fuel Metering | Medium |
| P0C35 | Hybrid/EV Battery Temperature Sensor F Circuit Low | Fuel Metering | Medium |
| P0C36 | Hybrid/EV Battery Temperature Sensor F Circuit High | Fuel Metering | Medium |
| P0C37 | Hybrid/EV Battery Temperature Sensor F Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0C38 | DC/DC Converter Temperature Sensor A Circuit | Fuel Metering | Medium |
| P0C39 | DC/DC Converter Temperature Sensor A Range/Performance | Fuel Metering | Medium |
| P0C3A | DC/DC Converter Temperature Sensor A Low | Fuel Metering | Medium |
| P0C3B | DC/DC Converter Temperature Sensor A High | Fuel Metering | Medium |
| P0C3C | DC/DC Converter Temperature Sensor A Intermittent/Erratic | Fuel Metering | Medium |
| P0C3D | DC/DC Converter Temperature Sensor B Circuit | Fuel Metering | Medium |
| P0C3E | DC/DC Converter Temperature Sensor B Range/Performance | Fuel Metering | Medium |
| P0C3F | DC/DC Converter Temperature Sensor B Low | Fuel Metering | Medium |
| P0C40 | DC/DC Converter Temperature Sensor B High | Fuel Metering | Medium |
| P0C41 | DC/DC Converter Temperature Sensor B Intermittent/Erratic | Fuel Metering | Medium |
| P0C42 | Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit | Fuel Metering | Medium |
| P0C43 | Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Range/Performance | Fuel Metering | Medium |
| P0C44 | Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Low | Fuel Metering | Medium |
| P0C45 | Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit High | Fuel Metering | Medium |
| P0C46 | Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P0C47 | Hybrid/EV Battery Pack Coolant Pump A Control Circuit/Open | Fuel Metering | Medium |
| P0C48 | Hybrid/EV Battery Pack Coolant Pump A Control Circuit Low | Fuel Metering | Medium |
| P0C49 | Hybrid/EV Battery Pack Coolant Pump A Control Circuit High | Fuel Metering | Medium |
| P0C4A | Hybrid/EV Battery Pack Coolant Pump A Control Performance | Fuel Metering | Medium |
| P0C4B | Hybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit/Open | Fuel Metering | Medium |
| P0C4C | Hybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit Low | Fuel Metering | Medium |
| P0C4D | Hybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit High | Fuel Metering | Medium |
| P0C4E | Drive Motor A Position Exceeded Learning Limit | Fuel Metering | Medium |
| P0C4F | Drive Motor B Position Exceeded Learning Limit | Fuel Metering | Medium |
| P0C50 | Drive Motor A Position Sensor Circuit A | Fuel Metering | Medium |
| P0C51 | Drive Motor A Position Sensor Circuit A Range/Performance | Fuel Metering | Medium |
| P0C52 | Drive Motor A Position Sensor Circuit A Low | Fuel Metering | Medium |
| P0C53 | Drive Motor A Position Sensor Circuit A High | Fuel Metering | Medium |
| P0C54 | Drive Motor A Position Sensor Circuit A Intermittent/Erratic | Fuel Metering | Medium |
| P0C55 | Drive Motor B Position Sensor Circuit A | Fuel Metering | Medium |
| P0C56 | Drive Motor B Position Sensor Circuit A Range/Performance | Fuel Metering | Medium |
| P0C57 | Drive Motor B Position Sensor Circuit A Low | Fuel Metering | Medium |
| P0C58 | Drive Motor B Position Sensor Circuit A High | Fuel Metering | Medium |
| P0C59 | Drive Motor B Position Sensor Circuit A Intermittent/Erratic | Fuel Metering | Medium |
| P0C5A | Drive Motor A Position Sensor Circuit B | Fuel Metering | Medium |
| P0C5B | Drive Motor A Position Sensor Circuit B Range/Performance | Fuel Metering | Medium |
| P0C5C | Drive Motor A Position Sensor Circuit B Low | Fuel Metering | Medium |
| P0C5D | Drive Motor A Position Sensor Circuit B High | Fuel Metering | Medium |
| P0C5E | Drive Motor A Position Sensor Circuit B Intermittent/Erratic | Fuel Metering | Medium |
| P0C5F | Drive Motor B Position Sensor Circuit B | Fuel Metering | Medium |
| P0C60 | Drive Motor B Position Sensor Circuit B Range/Performance | Fuel Metering | Medium |
| P0C61 | Drive Motor B Position Sensor Circuit B Low | Fuel Metering | Medium |
| P0C62 | Drive Motor B Position Sensor Circuit B High | Fuel Metering | Medium |
| P0C63 | Drive Motor B Position Sensor Circuit B Intermittent/Erratic | Fuel Metering | Medium |
| P0C64 | Generator Position Sensor Circuit A | Fuel Metering | Medium |
| P0C65 | Generator Position Sensor Circuit A Range/Performance | Fuel Metering | Medium |
| P0C66 | Generator Position Sensor Circuit A Low | Fuel Metering | Medium |
| P0C67 | Generator Position Sensor Circuit A High | Fuel Metering | Medium |
| P0C68 | Generator Position Sensor Circuit A Intermittent/Erratic | Fuel Metering | Medium |
| P0C69 | Generator Position Sensor Circuit B | 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.