Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
B147E 01 or B147F 01
The BCM detects short to battery in the battery saver relay set/reset circuits.
B147E 02 or B147F 02
The BCM detects a short to ground in the battery saver relay set/reset circuits.
B147E 04 or B147F 04
The BCM detects an open/high resistance in the battery saver relay set/reset circuits.