Conditions for Setting the DTC

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.

DTC B2652 00 will set for the following conditions:

The BCM detects a short to ground in the I/P lamps dimmer switch signal circuit.
The BCM detects a short to ground or an open/high resistance in the CHMSL/DM/LAMP fuse B+ circuit.