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 10 occurrences.
The PCM detects a closed TCC/Stop lamp switch circuit, 12 volts, during decelerations.
The following sequence of events occurs 10 consecutive times:

The vehicle speed is greater than 40 km/h (25 mph) for 7 seconds.
Then the vehicle speed is 8-40 km/h (5-25 mph) for 2.5 seconds.
Then the vehicle speed is less than 8 km/h (5 mph).