Engine-Codes - Generic - B2157

B2157 Code - Front Doppler Sensor Circuit Failure

- Code Popularity: 3,791 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B2157?

  • 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 to Fix the B2157 Code?

Start by checking 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.

|What is the Cost to Diagnose the Code B2157?

Labor: 1.0

The cost to diagnose the B2157 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code B2157 Possible Symptoms?

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

|What Does the B2157 Code Mean?

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.

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

|Code B2157 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?

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