Conditions for Setting the DTC
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.
- The inadvertent power courtesy lamps supply voltage circuit to the reading lamps and both visor vanity mirror lamps is shorted to ground for more than 1 second.
- There is a loss of the rear fuse block TBC 4 battery supply voltage to the BCM for more than 1 second while one or more of the lamps in the inadvertent power circuit have been activated.