Circuit/System Verification

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, A11 radio ON.
Verify station reception is normal when tuned to several known good FM stations.
- If FM reception is poor.
  Refer to Circuit/System Testing
- Go to next step: If reception is normal.
Verify DTC B125B is not set as current.
- If DTC B125B is set as current.
  Refer to Circuit/System Testing
- I Go to next step: f DTC B125B is not set as current.
All OK.