Power Door Locks - Inoperative - All Doors and Switches

TEST DESCRIPTION

Steps 1-10:

Steps 11-16:

The numbers below refer to the step numbers 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.