Conditions for Setting the DTC
WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
DTC B2585 01 and B2585 04
The BCM detects a short to voltage or an open/high resistance in the left front park lamps control circuit.
DTC B2585 02
The BCM detects a short to ground in the left front park lamps control circuit.
DTC B3867 01 and B3867 04
The BCM detects a short to voltage or an open/high resistance in the right front park lamps control circuit.
DTC B3867 02
The BCM detects a short to ground in the right front park lamps control circuit.