Test Procedure
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- Install a scan tool.
- With a scan tool, select the service bay test in the special functions menu.
- Follow the instructions on the scan tool.
- Check DTCs with a scan tool.
- Continue with the published service manual diagnostic DTC procedure.