Document ID# 1509801
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No Audio and Radio Display Inoperative or Clock Resets - kw amp blank noaudio nosound sound speaker UB0 UB1 UC6 volume #PI02060 - (May 13, 2004)
No Audio and Radio Display Inoperative or Clock Resets
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When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.
Condition/Concern:
Certain 2004 vehicles built in March and April time frame with radio RPO UC6, UB1, or UB0 may have a concern with no audio and no radio display or the radio clock is resetting.
Recommendation/Instructions:
Perform a Radio Setup with the Tech 2, using software 24.003 released May 3rd, 2004 or newer. Complete a radio set up procedure with the Tech 2 by performing the following steps:
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Select 2004 model year
Select Light Duty Truck
Select the vehicle make
Select Body
Select Body Series
Select Uplevel Radio
Select Special Functions
Select Radio Setup
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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.
Models:
(04 Chevrolet All Full Size Trucks And Utilites) and (04 Chevrolet Colorado) and (04 Chevrolet Trailblazer And Trailerblazer EXT) and (04 Chevrolet Express Van) and (04 Chevrolet SSR) and (04 Chevrolet Blazer (old body)) and (04 GMC All Full Size Trucks And Utilites) and (04 GMC Canyon ) and (04 GMC Envoy, Envoy XL And Envoy XUV) and (04 GMC Savana Van ) and (04 GMC Jimmy (old body)) and (04 Cadillac All Full Size Utilites And SUT's) and (04 Hummer H2) and (04 Buick Rainier)
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