Possible Causes
| Possible Causes |
|---|
| (K31) FUEL PUMP CONTROL CIRCUIT SHORTED TO VOLTAGE |
| (K31) FUEL PUMP CONTROL CIRCUIT SHORTED TO GROUND |
| (K31) FUEL PUMP CONTROL CIRCUIT OPEN |
| (N1) FUSED FUEL PUMP OUTPUT OPEN |
| (N1) FUSED FUEL PUMP OUTPUT SHORTED TO GROUND |
| FUEL PUMP MODULE |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .