FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Wiper Park Switch Failure/Wipers Run Continuously

Test 1 - 2:




Test 3 - 7:




SYMPTOM
WIPER PARK SWITCH FAILURE/WIPERS RUN CONTINUOUSLY

WHEN MONITORED
The ignition must be in the run position and battery voltage supplied to the BCM on the Fused B(+) circuit.

SET CONDITION
The code will set if the BCM does not detect a low to high voltage transition on the Wiper Park Switch Sense circuit within 8 seconds after energizing the wiper relay ON/OFF relay.

POSSIBLE CAUSES
- Wiper park switch sense circuit open
- Wiper park switch sense circuit short to ground
- Wiper park switch sense circuit short to voltage
- Ground circuit open
- Verifying active DTC - wiper park switch failure
- Wiper motor defective, wiper park switch sense circuit open
- BCM defective- wiper park switch