Possible Causes
WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (K42) KNOCK SENSOR NO.1 SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE |
| (K42) KNOCK SENSOR NO.1 SIGNAL CIRCUIT OPEN |
| (K942) KNOCK SENSOR NO.1 RETURN CIRCUIT OPEN |
| (K42) KNOCK SENSOR NO.1 SIGNAL CIRCUIT SHORTED TO (K942) KNOCK SENSOR NO.1 RETURN CIRCUIT |
| (K42) KNOCK SENSOR NO.1 SIGNAL CIRCUIT SHORTED TO GROUND |
| KNOCK SENSOR |
| PCM |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE) .