Action Taken When the DTC Sets
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.
B144A 01, B144A 04
No action is taken.
B144A 02
The module output driver will be shut down and not supply voltage to the ignition run relay control circuit.