DTC B10C2-23: Left Rear Unlock Pull Switch - Signal stuck low: Action

NOTE: This DTC is set when the door handle unlock switch is pressed for 45 seconds. If the switch is released before 45 seconds have passed, the timer will stop and DTC will not set

Refer to the system wiring diagram(s) and check the rear left exterior door handle unlock switch circuit for short circuit to ground
Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, check and install a new rear left exterior door handle as required