Vehicles with XM Do Not Have Audio; AM , FM Work Correctly - kw antenna entertainment inoperative intermittent module no operation performance radio receiver signal speaker static station U2K XMradio

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

A concern of no audio while using the XM band may be encountered. The AM/FM stations work correctly, but there may be no XM audio. The XM band shows channels and artist. There are no DTCs in the radio or the XM module.

It has been found that the C2 connector may be loose and/or unplugged. Check C2 at the radio to make sure it is plugged in. A DRR setup with the Tech 2 may be required after this is plugged in to initialize the module with the radio.

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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.

(2003-4 CADILLAC ESCALADE ) and (2003-4 CHEVROLET TAHOE) and (2003-4 CHEVROLET SILVERADO) and (2003-4 CADILLAC ESCALADE) and (2003-4 CHEVROLET AVALANCHE) and (2003-4 CHEVROLET SUBURBAN ) and (2003-4 GMC DENALI ) and (2003-4 GMC DENALI) and (2003-4 GMC SIERRA ) and (2003-4 GMC YUKON) and (2003-4 GMC YUKON XL)

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