Set Conditions
WARNING: This page is about a different car, the 1999 Buick Regal and 1999 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set after stoplamp switch remains open for three deceleration cycles. A deceleration cycle includes starting at a speed greater than 24 km/h (15 MPH), then vehicle must decelerate to 8 km/h (5 MPH) for 2 seconds. The vehicle must then reach a speed less than 16 km/h (10 MPH) to complete a deceleration cycle.