Power Door Locks - Inoperative - All Doors and Switches

TEST DESCRIPTION

Steps 1-9:

Steps 10-16:

The number below refers to the step number on the diagnostic table.
12. The CIG LTR fuse supplies battery positive voltage for the power door lock switches, liftgate lock / unlock release switch and the cigar lighter. If the CIG LTR fuse is open, all systems on the fuse would be inoperative. If a short to ground exists in either the door lock or unlock relay control circuits, a DTC (B3137 or B3147) would set when the BCM commands a lock or unlock function.