Circuit/System Verification
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Perform Diagnostic System Check-Vehicle
.
- Diagnose any other Vehicle DTCs before attempting diagnosis of C0561.
- With Tech 2, view Invalid Signal, Data Display list under EBCM.IMPORTANT: Not all EBCMs support a Invalid Signal, Data Display. If this function is not listed under Tech 2 Data Display then proceed to step 4.
- Refer to appropriate module for diagnosing any invalid signal.
- If no invalid signal are present, view signal fault data in Enhanced DTC Data.
- Refer to appropriate module for diagnosing that invalid message data.
- Do not replace the EBCM due to this DTC fault.