Circuit/System Verification

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: DTC C0550 may set due to low battery voltage. Verify that the battery is fully charged before proceeding with this diagnostic.

Verify that DTC C0550 is not set.

If the DTC is set, perform the CCM RDS matching ID. If the DTC resets, replace the CCM.