P0656 OBD II Trouble Code Fuel Level Output Circuit Malfunction
How to easily diagnose, repair, and info on causes of a P0656 trouble code that indicates a detected failure of the fuel level output circuit.
Symptoms of P0656 OBD II Trouble Code
- Inoperative fuel level gauge
- Low fuel lamp is inoperative
- Low fuel lamp remains illuminated
- Engine drivability issues
- Fuel temperature codes
- Evaporative emission system codes
Common Causes of P0656 OBD II Trouble Code
- Open or shorted circuit between the PCM and the instrument panel or other controllers
- PCM programming error
- Faulty controller or PCM
Severity of P0656 OBD II Trouble Code
A P0656 should be categorized as moderate because it could result in an inoperative fuel gauge and/or drivability issues, and you could potentially run out of gas.