Conditions for Setting the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
B3600 03
The BCM detects a voltage that is lower than 0.10 V on the I/P lamp dimmer switch signal circuit.
B3600 07
The BCM detects a voltage that is higher than 4.97 V on the I/P lamp dimmer switch signal circuit.