Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions may cause a malfunction to occur in the exhaust solenoid valve:
- A short to ground in the control circuit
- An open in the control circuit
- A short to battery in the control circuit
- An open in the battery positive voltage circuit