Diagnostic Aids
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- All position sensors use common low reference and 5-volt reference circuits.
- If the 5-volt reference circuit is shorted to voltage multiple codes will set.
- If the 5-volt reference circuit is shorted to ground multiple codes will set.
- If the sensor low reference circuit is open multiple codes will set.