Front Doppler Sensor Circuit Failure
Table of contents
B2157 Possible Causes
- Faulty Front Doppler Senso
- Front Doppler Senso harness is open or shorted
- Front Doppler Senso circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B2157?
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 B2157 code
The cost of diagnosing the B2157 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)
B2157 Description
The Body Control Module (BCM) monitors the Front Doppler Senso. The BCM sets the OBDII code when the Front Doppler Senso is not to factory specifications.