FixVault
Home › Chevrolet › 2014 › SS › Repair and Diagnosis › Accessories & Equipment › Entertainment Systems › Cellular System, Entertainment System And Navigation System › Diagnostic Information and Procedures › DTC B1020: Auxiliary Electronic Control Unit › Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify DTC B1020 is not set.
    • If DTC B1020 is set 

      Replace the A20 Radio/HVAC Controls.

    • If DTC B1020 is not set 
  3. All OK.
About FixVault