Circuit/System Verification
WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, A11 Radio ON.
- Verify DTC B1271 is not set.
- If DTC B1271 is set
Replace the A11 Radio.
- Go to next step: If DTC B1271 is not set
- If DTC B1271 is set
- All OK.