Conditions Which Generate This Code:
The Engine Control Module (ECM) detects the following conditions:
• A timing calibration has never been performed on a new ECM or the timing is off by more than 3 degrees.
System Response:
This code will not be logged. The check engine lamp will illuminate while this diagnostic code is active. The ECM uses default timing.
Possible Performance Effect:
The engine may run rough or the engine may emit white smoke in the exhaust.
Troubleshooting:
Perform the following diagnostic procedure: “Engine Speed/Timing Sensor – Calibrate”
Results:
• OK – STOP.
