Manufacturer communication — 2005 GMC YUKON

• The information applies to 2005 models with the CD player radio (RPOs UB0 or UB1), among them the 2005 GMC Envoy, Envoy XL, Envoy XUV, Savana, Sierra, Yukon, Yukon XL and Denali.

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  This information applies to 2005 Buick Rainier, 2005 Cadillac Escalade, Escalade ESV, Escalade EXT, 2005 Chevrolet Avalanche, Express, Silverado, Suburban, Tahoe, TrailBlazer, TrailBlazer EXT, 2005 GMC Envoy, Envoy XL, Envoy XUV, Savana, Sierra, Yukon, Yukon XL, Denali, 2005 HUMMER H2 with CD Player Radio (RPOs UB0 or UB1).

• Customers may comment on a long CD load-to-play time, the CD ejecting with a CHECK CD error message, or the CD not returning to the previous track after an ignition cycle.

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  - Long CD load-to-play time - CD ejects with an error message of CHECK CD - CD does not return to previous track after an ignition cycle

• The clock may reset to 12:00, or a CD may be stuck, not play or not eject, with no clicking noise or mechanical operation.

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  - The clock resets to 12:00. - CD stuck in player, CD won’t play, or won’t eject without any indication of clicking noises and/or mechanical operation.

Possible causes

• A software anomaly within the radio has been found.

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  A software anomaly within the radio has been found.

Steps to confirm (in the document’s order)

• Be sure the Tech 2 is updated with the latest software version.

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  TIP: Be sure your Tech 2 is updated with the latest software version.

Repair

• Reprogram the radio with the updated software calibration, released with TIS satellite data update version 2.0, available February 7, 2005.

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  Reprogram the radio with an updated software calibration. This new service calibration was released with TIS satellite data update version 2.0 available February 7, 2005.

Caution

• Do not replace the radio for these conditions.

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  DO NOT replace the radio for these conditions.

• Advise the customer that home-burned CDs must be burned with a "closed session" or the player will not read them, and that CDs should not carry adhesive paper labels, which may lift off in the player.

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  TIP: Advise the customer that home-burned CDs must be burned with a "closed session" or the formatting will be incomplete and the player will not read the CD. CDs should not have adhesive paper labels affixed to them, because the labels may lift off in the player.