Conditions for Setting the DTC

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

All conditions are met for 8 occurrences.
The PCM detects an open TCC/Stop lamp switch/circuit, 0 volts, for 15 minutes.
The following sequence of events occurs:
1. The vehicle speed is less than 8 km/h (5 mph).
2. Then the vehicle speed is 8-40 km/h (5-25 mph) for 1.7 seconds.
3. Then the vehicle speed is greater than 40 km/h (25 mph) for 7 seconds.