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 can be set if pump motor has been on for at least 0.30 seconds and the system relay is on. The EBCM/EBTCM is equipped with a test, which would indicate that pump motor is spinning. A DTC will be set if pump motor was turned on, and EBCM/EBTCM sensed a stalled or slowly turning pump motor.