Diagnostic Aids

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the KS for physical damage. A KS that is dropped or damaged may cause a DTC to set.
Inspect the KS for proper installation. A KS that is loose or over torqued may cause a DTC to set. The KS and the KS fastener should be free of thread sealant. The KS mounting surface must be free of burrs, casting flash, and foreign material.
The KS should be clear of hoses, brackets, and engine electrical wiring.
For an intermittent condition, refer to Intermittent Conditions .