Conditions for Running the DTC
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- The BCM instrument panel dimmer switch reference voltage must be between 4.5-5.5 volts.
- The battery voltage must be between 9.0-16.0 volts.