WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance
Steering Wheel Dimming Control
B2615 00
B2615 00
-
-
Courtesy Lamps Control
B2615 00
2
1
-
1. Courtesy Lamps Always On 2. Courtesy Lamps Inoperative