Fuel System Codes
5,039 OBD-II diagnostic trouble codes in this category.
Showing page 12 of 51 (5,039 codes total)
| Code | Description | Subsystem | Severity |
|---|---|---|---|
| P07F7 | Gear 10 Incorrect Ratio | Fuel Metering | Medium |
| P07F8 | Stuck in Gear 9 | Fuel Metering | Medium |
| P07F9 | Unable to Engage Gear 9 | Fuel Metering | Medium |
| P07FA | Incorrect Shift From Gear 9 | Fuel Metering | Medium |
| P07FB | Stuck in Gear 10 | Fuel Metering | Medium |
| P07FC | Unable to Engage Gear 10 | Fuel Metering | Medium |
| P07FD | Incorrect Shift From Gear 10 | Fuel Metering | Medium |
| P07FE | Stuck In Gear - Not Specified | Fuel Metering | Medium |
| P07FF | Cold Start Transmission Performance | Fuel Metering | Medium |
| P080A | Clutch Position Not Learned | Fuel Metering | Medium |
| P080B | Upshift/Skip Shift Solenoid Control Circuit Range/Performance | Fuel Metering | Medium |
| P080C | Upshift/Skip Shift Solenoid Control Circuit Low | Fuel Metering | Medium |
| P080D | Upshift/Skip Shift Solenoid Control Circuit High | Fuel Metering | Medium |
| P081A | Starter Disable Circuit Low | Fuel Metering | Medium |
| P081B | Starter Disable Circuit High | Fuel Metering | Medium |
| P081C | Park Input Circuit | Fuel Metering | Medium |
| P081D | Neutral Input Circuit | Fuel Metering | Medium |
| P081E | Excessive Clutch B Slippage | Fuel Metering | Medium |
| P081F | Brake Transmission Shift Interlock (BTSI) Signal Correlation | Fuel Metering | Medium |
| P082A | Gear Lever X Position Sensor 1 Circuit Range/Performance | Fuel Metering | Medium |
| P082B | Gear Lever X Position Sensor 1 Circuit Low | Fuel Metering | Medium |
| P082C | Gear Lever X Position Sensor 1 Circuit High | Fuel Metering | Medium |
| P082D | Gear Lever Y Position Sensor 1 Circuit Range/Performance | Fuel Metering | Medium |
| P082E | Gear Lever Y Position Sensor 1 Circuit Low | Fuel Metering | Medium |
| P082F | Gear Lever Y Position Sensor 1 Circuit High | Fuel Metering | Medium |
| P083A | Transmission Fluid Pressure Sensor/Switch G Circuit | Fuel Metering | Medium |
| P083B | Transmission Fluid Pressure Sensor/Switch G Circuit Range/Performance | Fuel Metering | Medium |
| P083C | Transmission Fluid Pressure Sensor/Switch G Circuit Low | Fuel Metering | Medium |
| P083D | Transmission Fluid Pressure Sensor/Switch G Circuit High | Fuel Metering | Medium |
| P083E | Transmission Fluid Pressure Sensor/Switch G Circuit Intermittent | Fuel Metering | Medium |
| P083F | Clutch Pedal Switch A/B Correlation | Fuel Metering | Medium |
| P084A | Transmission Fluid Pressure Sensor/Switch H Circuit | Fuel Metering | Medium |
| P084B | Transmission Fluid Pressure Sensor/Switch H Circuit Range/Performance | Fuel Metering | Medium |
| P084C | Transmission Fluid Pressure Sensor/Switch H Circuit Low | Fuel Metering | Medium |
| P084D | Transmission Fluid Pressure Sensor/Switch H Circuit High | Fuel Metering | Medium |
| P084E | Transmission Fluid Pressure Sensor/Switch H Circuit Intermittent | Fuel Metering | Medium |
| P084F | Park/Neutral Switch Output Circuit | Fuel Metering | Medium |
| P085A | Gear Shift Control Module B Communication Circuit | Fuel Metering | Medium |
| P085B | Gear Shift Control Module B Communication Circuit Low | Fuel Metering | Medium |
| P085C | Gear Shift Control Module B Communication Circuit High | Fuel Metering | Medium |
| P085D | Gear Shift Control Module A Performance | Fuel Metering | Medium |
| P085E | Gear Shift Control Module B Performance | Fuel Metering | Medium |
| P085F | Up and Down Shift Switch Circuit Range/Performance | Fuel Metering | Medium |
| P086A | Neutral Position Sensor A Circuit/Open | Fuel Metering | Medium |
| P086B | Neutral Position Sensor A Range/Performance | Fuel Metering | Medium |
| P086C | Neutral Position Sensor A Circuit Low | Fuel Metering | Medium |
| P086D | Neutral Position Sensor A Circuit High | Fuel Metering | Medium |
| P086E | Neutral Position Sensor A Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P086F | Neutral Position Sensor A Not Learned | Fuel Metering | Medium |
| P087A | Clutch Position Sensor B Circuit | Fuel Metering | Medium |
| P087B | Clutch Position Sensor B Circuit Range/Performance | Fuel Metering | Medium |
| P087C | Clutch Position Sensor B Circuit Low | Fuel Metering | Medium |
| P087D | Clutch Position Sensor B Circuit High | Fuel Metering | Medium |
| P087E | Clutch Position Sensor B Circuit Intermittent | Fuel Metering | Medium |
| P088A | Transmission Fluid Filter Deteriorated | Fuel Metering | Medium |
| P088B | Transmission Fluid Filter Very Deteriorated | Fuel Metering | Medium |
| P088C | Reverse Inhibit Control Circuit Low | Fuel Metering | Medium |
| P088D | Reverse Inhibit Control Circuit High | Fuel Metering | Medium |
| P088E | Planetary Gear Set Failure | Fuel Metering | Medium |
| P089A | Gear Lever X Position Sensor 2 Circuit | Fuel Metering | Medium |
| P089B | Gear Lever X Position Sensor 2 Circuit Range/Performance | Fuel Metering | Medium |
| P089C | Gear Lever X Position Sensor 2 Circuit Low | Fuel Metering | Medium |
| P089D | Gear Lever X Position Sensor 2 Circuit High | Fuel Metering | Medium |
| P089E | Gear Lever X Position Sensor 2 Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P089F | Gear Lever Y Position Sensor 2 Circuit | Fuel Metering | Medium |
| P08A0 | Gear Lever Y Position Sensor 2 Circuit Range/Performance | Fuel Metering | Medium |
| P08A1 | Gear Lever Y Position Sensor 2 Circuit Low | Fuel Metering | Medium |
| P08A2 | Gear Lever Y Position Sensor 2 Circuit High | Fuel Metering | Medium |
| P08A3 | Gear Lever Y Position Sensor 2 Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P08A4 | Gear Lever X Position Sensor 1/2 Correlation | Fuel Metering | Medium |
| P08A5 | Gear Lever Y Position Sensor 1/2 Correlation | Fuel Metering | Medium |
| P08A6 | Gear Lever Position Sensor System - Multiple Sensor Correlation | Fuel Metering | Medium |
| P08A7 | Clutch Pedal Position Sensor A Circuit/Open | Fuel Metering | Medium |
| P08A8 | Clutch Pedal Position Sensor A Circuit Range/Performance | Fuel Metering | Medium |
| P08A9 | Clutch Pedal Position Sensor A Circuit Low | Fuel Metering | Medium |
| P08AA | Clutch Pedal Position Sensor A Circuit High | Fuel Metering | Medium |
| P08AB | Clutch Pedal Position Sensor A Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P08AC | Clutch Pedal Position Sensor A Not Learned | Fuel Metering | Medium |
| P08AD | Neutral Position Sensor B Circuit/Open | Fuel Metering | Medium |
| P08AE | Neutral Position Sensor B Circuit Range/Performance | Fuel Metering | Medium |
| P08AF | Neutral Position Sensor B Circuit Low | Fuel Metering | Medium |
| P08B0 | Neutral Position Sensor B Circuit High | Fuel Metering | Medium |
| P08B1 | Neutral Position Sensor B Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P08B2 | Neutral Position Sensor A/B Correlation | Fuel Metering | Medium |
| P08B3 | Neutral Position Sensor B Not Learned | Fuel Metering | Medium |
| P08B4 | Clutch Pedal Position Sensor B Circuit/Open | Fuel Metering | Medium |
| P08B5 | Clutch Pedal Position Sensor B Circuit Range/Performance | Fuel Metering | Medium |
| P08B6 | Clutch Pedal Position Sensor B Circuit Low | Fuel Metering | Medium |
| P08B7 | Clutch Pedal Position Sensor B Circuit High | Fuel Metering | Medium |
| P08B8 | Clutch Pedal Position Sensor B Circuit Intermittent/Erratic | Fuel Metering | Medium |
| P08B9 | Clutch Pedal Position Sensor A/B Correlation | Fuel Metering | Medium |
| P08BA | Pressure Control Solenoid L | Fuel Metering | Medium |
| P08BB | Pressure Control Solenoid L Performance/Stuck Off | Fuel Metering | Medium |
| P08BC | Pressure Control Solenoid L Stuck On | Fuel Metering | Medium |
| P08BD | Pressure Control Solenoid L Electrical | Fuel Metering | Medium |
| P08BE | Pressure Control Solenoid L Intermittent | Fuel Metering | Medium |
| P08BF | Pressure Control Solenoid L Control Circuit/Open | Fuel Metering | Medium |
| P08C0 | Pressure Control Solenoid L Control Circuit Range/Performance | Fuel Metering | Medium |
| P08C1 | Pressure Control Solenoid L Control Circuit Low | Fuel Metering | Medium |
| P08C2 | Pressure Control Solenoid L Control 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.