Circuit/System Verification
WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
- Verify DTC B123E is not set.
- If DTC B123E is set
- If DTC B123E is not set
- Ignition ON/vehicle in Service Mode, A11 Radio ON.
- Verify that all radio controls operate and perform the correct function.
- If all or some of the radio controls are inoperative
Refer to Circuit/System Testing.
- If all radio controls operate and perform the correct function.
- If all or some of the radio controls are inoperative
- All OK.