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AutoCodes - Generic - B2156

B2156 Code - Rear Doppler Sensor Circuit Failure

- Code Popularity: 5,336 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By AutoCodes.com - Updated Sep 19, 2019
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|Code B2156 Possible Causes

  • Faulty Rear Doppler Sensor
  • Rear Doppler Sensor harness is open or shorted
  • Rear Doppler Sensor circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How do I Fix the Code B2156?

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 B2156?

Labor: 1.0

The cost of diagnosing the B2156 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 B2156 Possible Symptoms?

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

|Code B2156 Description

The Body Control Module (BCM) monitors the Rear Doppler Sensor. The BCM sets the OBDII code when the Rear Doppler Sensor is not to factory specifications.

OBDII Code B2156 - Rear Doppler Sensor Circuit Failure - AutoCodes.com
B2156 Code - Rear Doppler Sensor Circuit Failure

|Need More Information on the B2156 Code?

Need more information on how to fix the B2156 code? Get Access to Factory Service Manuals

|Information for Specific Makes

  • B2156 Acura Driver Side MPCS Unit Lost Communication With MICU
  • B2156 Honda Driver Side MPCS Unit Lost Communication With MICU

|Need Help with the B2156 Code?

Get the B2156 code diagnosed by a professional: Find a repair shop in your area

|Code B2156 comments

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