GM Service Manual Online
For 1990-2009 cars only

Info - Erratic or Intermittent Operation of Radio

Subject:Erratic or Intermittent Operation of Radio

Models:2002 Chevrolet Camaro, Corvette
2002 Chevrolet and GMC C/K Pickup and Utility Models (Silverado, Sierra, Avalanche, Suburban, Tahoe, Denali, Yukon, Yukon XL, Yukon Denali)
2002 Chevrolet and GMC S/T Pickup and Utility Models (S10, Sonoma, Blazer, TrailBlazer, Jimmy, Envoy
2002 Chevrolet and GMC M/L Vans
2002 Cadillac Escalade, Escalade EXT
with RPO UL0, UN0 OR UL9



The following intermittent conditions may occur with the entertainment system:

    • The radio turns off by itself.
    • The radio's audio cuts out.
    • The radio can't be turned off.
    • The radio functions/features are erratic.

Important: The above conditions are INTERMITTENT symptoms and may be difficult to duplicate. The customer reporting any of these concerns should be justified in exchanging the unit as these symptoms may never result in a permanent failure.

Radios that exhibit the conditions above should be returned to an ACDelco® Service Center for exchange.