Circuit/System Verification
WARNING: This page is about a different car, the 2014 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify DTC B12A4 39 is not set.
- If DTC B12A4 39 is set
Replace the P17 Info Display Module.
- If DTC B12A4 39 is not set
- If DTC B12A4 39 is set
- Verify DTC B12A4 45 is not set.
- If DTC B12A4 45 is set
- Program the P17 Info Display Module.
- Verify the DTC does not set.
- If the DTC sets, replace the P17 Info Display Module.
- If the DTC does not set
- All OK
- If DTC B12A4 45 is not set
- All OK.