Rear Wiper Relay Circuit
Table of contents
B1C77 LINCOLN Possible Causes
- Faulty Rear Wiper Relay
- Rear Wiper Relay harness is open or shorted
- Rear Wiper Relay circuit poor electrical connection
How do I fix code B1C77 LINCOLN?
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.
Tech Notes
- B1C77:11 Rear Wiper Relay Circuit Short To Ground
- B1C77:13 Rear Wiper Relay Circuit Open
- B1C77:19 Rear Wiper Relay Circuit Current Above Threshold
Cost of diagnosing the B1C77 LINCOLN code
The cost of diagnosing the B1C77 LINCOLN 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)
B1C77 LINCOLN Description
The Body Control Module (BCM) monitors the Rear Wiper Relay. The BCM sets the OBDII code when the Rear Wiper Relay is not to factory specifications.