Conditions for Setting the DTC
WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. 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).