Speakers - One Channel Inoperative
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
The following information lists the most probable cause of the concern to the least probable cause. If the list leads to the replacement of a component, always inspect for a poor connection before proceeding with replacement. Refer to and in Wiring Systems.
IMPORTANT:
The following procedure assumes all speakers are operative for all modes of operation except digital radio.
With RPO U2K
- Remote radio audio signal circuit open - Test the appropriate remote radio audio signal circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
- No audio output from the digital radio receiver - Replace the digital radio receiver. Refer to Receiver Replacement - Digital Radio .
- No digital radio audio output from the radio - Replace the radio. Refer to Radio Replacement .