Circuit/System Verification

WARNING: This page is about a different car, the 2007 Pontiac G6. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: This procedure is for diagnosing problems with the OnStar® button assembly LED.

Ignition ON, With the scan tool command the VCIM to turn on the red and green LED.

If the red or green LED indicators do not illuminate, go to Circuit/System Testing.