Conditions for Running the DTC

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

No OSS DTCs P0722 or P0723.
Brake Switch DTC P0724 has not passed.
The TCM detects the brake switch is apply for 900 seconds.
The vehicle speed is less than 8 km/h (5 mph) for greater than 6 seconds, then greater than 40 km/h (25 mph) for 6 seconds.
Continuously 8 times once the previous criteria have been met.
This DTC has not passed this ignition cycle.