Subject: | Navigation Disc Replacements For Service Repairs |
Models: | 2003-2008 Cadillac Escalade, ESV, EXT |
2003-2008 Chevrolet Avalanche, Silverado, Silverado Classic, Suburban, Tahoe |
2003-2008 GMC Sierra, GMC Sierra Classic, Yukon, Yukon Denali, Yukon XL, Yukon Denali XL |
2005-2008 Hummer H2 |
With Navigation Radio and one of the following RPO (U3R, U3U, UM8, UVB) |
This PI was superseded to update verbiage. Please discard PIT4329B.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Technicians who are exchanging or replacing NAV radios may find that the NAV disc is damaged or stuck in the old radio. It is important that the technician does not attempt to remove any damaged or stuck discs because the ESC will return the radio to the supplier for failure analysis.
If the current disc is damaged or cannot be removed, the dealer must call an Electronic Service Center (ESC) to obtain the radio and then call the Disc Center to obtain a replacement disc. Both the radio and the disc can be shipped overnight from their respective sources upon request. The Disc Center can be reached at 1-877-NAV-DISC (1-877-628-3472).
Note: If the vehicle is being repaired under Warranty or a Goodwill repair, Please request the replacement disc at no charge and advise the disc center that you are replacing the disc because the old disc was damaged by or stuck in the defective radio.
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.