Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 Cadillac CTS. 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 an open/high resistance in the I/P dimming voltage reference circuit.
- The BCM detects a short to ground or an open/high resistance in the BCM 7 fuse B+ circuit.