DTC U2002-01: Switch - General electrical failure: Action
- With the ignition set to on, apply the electric park brake for a minimum of 10 seconds, then release. Clear the DTC and retest
- Check for any contamination/debris that may be causing the electric park brake switch to be stuck
- Disconnect the electric park brake switch and check for connector damage, corroded or backed out terminals. Clear the DTC and retest
- Refer to the appropriate system wiring diagrams and check the electric park brake switch circuits for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the manufacturer approved diagnostic system, clear DTCs and retest. If the fault persists, install a new electric park brake switch as required