DTC B1463-11: Upper Latch - Combined Pawl/Claw Switch - Circuit short to ground: Action

Check the operation of the latch for open/close. If latch opens, then refer to diagnostic steps below
Refer to the appropriate service information and check the upper tailgate latch soft close initiation switch circuit for short circuit to ground. Repair circuit as required, clear DTC and retest
If fault persists, check and install a new tailgate latch as required
If the latch is stuck closed, reset the tailgate control module to force the soft close actuator to rewind. Clear DTC and retest
If the fault persists and the latch remains stuck closed, check and install a new tailgate soft close actuator as required