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 closed brake switch circuit, 12 volts, without changing for 2 seconds and the following events occur eight times:
- The vehicle speed is greater than 20 MPH for 6 seconds.
- Then the vehicle speed is between 5-20 MPH for 4 seconds.
- Then the vehicle speed is less than 5 MPH.