Possible Causes
| Possible Causes |
|---|
| (K42) KS 1 SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| (K42) KS 1 SIGNAL CIRCUIT SHORTED TO GROUND |
| (K42) KS 1 SIGNAL CIRCUIT SHORTED TO THE (K942) KS 1 RETURN CIRCUIT |
| (K42) KS 1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| (K942) KS 1 RETURN CIRCUIT OPEN OR HIGH RESISTANCE |
| KNOCK SENSOR 1 |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .