Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Sierra, 2002 GMC Savana Special, 2002 GMC Savana Camper Special, and 2002 GMC Savana. 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.
- A cracked or damaged sensor.
- Foreign material passing between the sensor and the reluctor wheel.
If you find any damage to the reluctor wheel or to the camshaft, see appropriate article in ENGINES.
If the condition is intermittent, see INTERMITTENT CONDITIONS under SELF-DIAGNOSTIC SYSTEM.