Diagnostic Aids

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The following conditions may cause this DTC to set:

Incorrect harness routing near secondary ignition components.
Ignition coil arcing to wiring harness or IC module. Inspect the ignition coils for cracks, for carbon tracking or for other signs of damage.
Camshaft reluctor wheel damage.
The sensor coming in contact with the reluctor wheel.
Foreign material passing between the sensor and reluctor wheel.
Excessive camshaft end-play.