SWC Inop Onstar Will Not Mute No DVD And Or No Satellite Radio Band Displayed - keywords audio band display DTC information mute no noaudio nomute onstar operation performance program radio speaker

This PI was superseded to add 07 Model Year. Please discard PIT3319B.

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Some customers may report their steering wheel controls are inop, OnStar does not mute, no sound from the DVD and a "no radio" message displayed on the screen and/or no satelite radio band displayed on the radio.

Using the Tech 2, follow the below path to enter programming to enable the needed feature(s). The option will need to be highlighted, and the selected options saved.

1. Vehicle Control Systems
2. Engine type
3. Computer/Integrating Systems
4. Module Setup
5. Radio
6. OPTIONAL MODULES
7. Using the arrows, highlight the optional module, press enter, and then select the save soft key
8. Press EXIT on the scan tool and cycle the ignition.
9. Turn OFF the ignition and open the door to cancel RAP. (May take up to 20 minutes)

Please follow this diagnostic or repair 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.