Circuit/System Verification
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.
- With a Tech 2, view the Invalid Signal Data Display.
- If no invalid signal are present, view Signal Fault Data in the Enhanced DTC Data.
- Refer to appropriate module for diagnosing the invalid message data.
- Do not replace the EBCM due to this DTC fault.