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AutoCodes - Generic - B2157

B2157 Code - Front Doppler Sensor Circuit Failure

- Code Popularity: 3,777 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Sep 19, 2019
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|Code 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 the 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.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B2157?

Labor: 1.0

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.

|What are Code B2157 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|Code 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.

OBDII Code B2157 - Front Doppler Sensor Circuit Failure -
B2157 Code - Front Doppler Sensor Circuit Failure

|Need More Information on the B2157 Code?

Need more information on how to fix the B2157 code? Get Access to Factory Service Manuals

|Information for Specific Makes

  • B2157 Acura Driver Side MPCS Unit Lost Communication With Gauge Control Module
  • B2157 Honda Driver Side MPCS Unit Lost Communication With Gauge Control Module

|Need Help with the B2157 Code?

Get the B2157 code diagnosed by a professional: Find a repair shop in your area

|Code B2157 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B2157 code? Have you replaced any parts?
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