Conditions for Setting the DTC
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.
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 32 km/h (20 mph) for 6 seconds;
- Then the vehicle speed is between 8-32 km/h (5-20 mph) for 4 seconds;
- Then the vehicle speed is less than 8 km/h (5 mph).