Possible Causes
NOTE:
- This DTC can be set by very slow operation of the electric park brake switch
- Circuit reference SW1/SW2/SW3/SW4
- Electric park brake switch needs to reset
- Electric park brake switch contaminated
- Electric park brake switch connector damaged, corroded or backed out terminals
- Electric park brake switch circuits short circuit to ground, short circuit to power, open circuit, high resistance
- Electric park brake switch internal failure