Circuit/System Verification
WARNING: This page is about a different car, the 2011 Chevrolet Caprice. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, with a scan tool clear all DTCs.
- Radio ON, play a known good CD. Verify DTC B1240 is not set as current.
- If DTC B1240 is set as current, replace the A11 radio.