Conditions For Clearing DTC
WARNING: This page is about a different car, the 2000 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.
DTC will clear when driver frontal deployment loop resistance is at least 1.3 ohms for 500 milliseconds. DTC will also clear when CLEAR CODES command is issued via scan tool. History DTC will clear when 255 malfunction-free ignition cycles have occurred.