DTC B1334-23: Tailgate Glass Release Switch - Signal stuck low: Action

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

Refer to the system wiring diagram(s) and check the tailgate glass release switch circuit for short circuit to ground. Repair circuit as required. Clear DTC and retest
If the fault persists, check and install a new tailgate window release switch as required