Possible Causes
| Possible Causes |
|---|
| FPCM PWM FEEDBACK CIRCUIT OPEN/HIGH RESISTANCE |
| FPCM PWM FEEDBACK CIRCUIT SHORTED TO GROUND |
| FPCM PWM FEEDBACK CIRCUIT SHORTED TO VOLTAGE |
| FUEL PUMP CONTROL OUTPUT CIRCUIT OPEN/HIGH RESISTANCE |
| FPCM GROUND CIRCUIT OPEN/HIGH RESISTANCE |
| FUEL PUMP CONTROL MODULE (FPCM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .