Rear Wiper Relay Drive Circuit High
Table of contents
B3723 SATURN Possible Causes
- Faulty Rear Wiper Relay
- Rear Wiper Relay harness is open or shorted
- Rear Wiper Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B3723 SATURN?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the B3723 SATURN code
The cost of diagnosing the B3723 SATURN code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B3723 SATURN Description
When operation of the rear wiper is selected, battery voltage from the rear wiper switch is applied to the rear wiper switch signal input circuit of the Body Control Module (BCM)). The BCM responds by switching the rear wiper relay control circuit to ground. This action energizes the rear wiper relay, providing power to the rear wiper motor. The Diagnostic Trouble Code (DTC) sets when the rear wiper relay control circuit is shorted to battery.