Diagnostic Aids
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Condition could be caused by a short to ground or voltage or an open or high resistance in circuits 349 and 354 or 1409 and 1834. An incorrect EFS could also cause condition.
NOTE:
For circuit number and wire color identification, see WIRING DIAGRAMS .