Conditions For Setting 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 PCM detects a voltage that is higher or lower than required on the 5-volt reference circuit.
- The above condition is present for longer than 10 seconds.