C1221 through C1224
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
Under the following conditions, 2 Wheel Speed Sensor Input is 0 DTCs are set:
- The 2 suspect wheel speeds equal zero for 20 seconds.
- The other wheel speeds are greater than 16 km/h (10 mph).
- The other wheel speeds are within 11 km/h (7 mph) of each other.
Diagnose each wheel speed sensor individually.