Service VME - Loss of Radio Audio Signal

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

Should you have a customer indicate that their radio does not produce an audio signal upon start-up or loses it at times, replace the Bose amplifier. The current part number is 15177435; however it will be replaced immediately by part number 15188044.

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.