Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- All position sensors use common ground 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 ground circuit is open, multiple codes will set.