Circuit/System Verification
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the antenna for proper mounting or physical damage.
- If damage is found, repair or replace as necessary
- Radio ON, tune to several known FM, AM, and XM (if equipped) stations, and play a known good CD.
- If audio output is poor from all sources, refer to Speaker Malfunction .