Remove
Disconnect 12V power. See
12V Power (Disconnect and Connect).
Remove and discard the nut that attaches the DCDC ground busbar to the
HV battery at the DCDC passthrough.
Remove
Harness - 12V Battery Ground-Remove
Remove
Remove the cowl screen panel. See
Panel - Cowl Screen (Remove and Replace).
Remove and discard the nut that attaches the front harness ground wire
Applique - B-Pillar - LH (Remove and Replace) -
Remove
Remove
Open the LH front and rear doors.
Release the clips that attach the B-pillar applique fastener cover to
the vehicle, and then remove the cover.
Remove the bolts that attach the B-pillar applique to the body, but do
Remove
Use Toolbox to put the vehicle into Factory Mode.
Invoke diagnostics on the touchscreen.
Inspect the Notifications for either a BMS_a123 or a BMS_W123 alert.
If:
Either alert is present - Contact Service Engineering. Do not perform
this procedure.
Neither alert is present - Continu