Audio System will be in Mute or No Audio COndition Intermittently (Reprogram Radio)
| Subject: | Audio System Will Be in "Mute" Or "No Audio" Condition Intermittently (Reprogram Radio) |
| Models: | 2007 GMC Sierra Denali, Yukon Denali, Yukon XL Denali |
| with Multiple CD Changer Audio System (RPO US9) and Luxury Edition Package (RPO Y91) |
Condition
Some customers may comment that the radio will be in a "Mute" or "No Audio" condition intermittently. The condition may be present on approximately 10% of all ignition key cycles. The audio system will reset by cycling the ignition key again or by pressing the BAND button on the radio head.
Correction
Do This | Don't Do This |
|---|---|
Reprogram the radio with new operating software. | Do Not Replace the radio. |
A revised calibration has been developed to address this condition. Technicians are to reprogram the radio using SPS with the latest software available on TIS2WEB. Refer to the Service Programming System (SPS) procedures in SI for information on radio reprogramming and set up. As always make sure your Tech 2® is updated with the latest software version.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
R9732* | Radio Reprogramming with SPS | 0.4 hr |
*This labor operation number is for bulletin use only. This number will not be published in the Labor Time Guide. | ||
