Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Suburban, and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions may cause this DTC to set:
- Camshaft reluctor wheel damage.
- Sensor contact with the reluctor wheel.
- Foreign material passing between the sensor and the reluctor wheel.
- Excessive camshaft end-play.
- Wiring routed too close to secondary ignition components.
If the condition is intermittent, see INTERMITTENT CONDITIONS under SELF-DIAGNOSTIC SYSTEM.