Circuit/System Testing
WARNING: This page is about a different car, the 2007 Pontiac Montana SV6, 2007 Chevrolet Uplander, and 2007 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, verify with a scan tool that codes B1003, B3102, and B3103 are not set.
- If any of the codes are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If all circuits test normal, test or replace the RCDLR.