Diagnostic Aids
WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Always begin diagnosis with the first DTC listed on the scan tool.
- The scan tool must display DTC B2752 as a current code before performing these diagnostics.
- Inspect for a sticking horn pad and or switch.
- Perform a visual inspection for loose or poor connections at all related components.