Possible Causes
| Possible Causes |
|---|
| INTERMITTENT DTC |
| (A15) FUSED ASD RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| (Z921) GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| GLOW PLUG MODULE |
| ENGINE CONTROL MODULE (ECM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Engine Control (ECM) - Standard Procedure