Circuit/System Verification

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.

Verify that DTC B101D is not set.

If the DTC is set with symptom byte 43, program the control module that set the DTC. If the DTC resets, replace the control module that set the DTC.
If the DTC is set with other symptom bytes, replace the control module that set the DTC.