Diagnostic Aids

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Ensure that the vehicle is equipped with keyless entry (AU0).
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.

Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.