DTC P1536-62: Parking Brake Switch Circuit - Signal compare failure: Action
- All signals from the switch are active at the same time. Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check all the electric park brake switch apply, release and return circuits for short circuit or open circuit. Repair circuit as required. Clear DTC and retest
- If fault persists, check and install a new electric park brake switch as required