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 an open brake switch or circuit, 0 volts, for 15 minutes without changing for 2 seconds, and the following events occur eight times;
- The vehicle speed is less than 8 km/h (5 mph);
- Then the vehicle speed is 8-32 km/h (5-20 mph) for 4 seconds;
- Then the vehicle speed is greater than 32 km/h (20 mph) for 6 seconds.