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AutoCodes - Generic - B2120

B2120 Code - Door Passenger Set Switch Stuck Failure

- Code Popularity: 7,944 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Sep 17, 2019
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|Code B2120 Possible Causes

  • Faulty Door Passenger Set Switch
  • Door Passenger Set Switch harness is open or shorted
  • Door Passenger Set Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How do I Fix the Code B2120?

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 B2120?

Labor: 1.0

The cost of diagnosing the B2120 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 B2120 Possible Symptoms?

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

|Code B2120 Description

The Body Control Module (BCM) monitors the Door Passenger Set Switch. The BCM sets the OBDII code when the Door Passenger Set Switch is not to factory specifications.

OBDII Code B2120 - Door Passenger Set Switch Stuck Failure -
B2120 Code - Door Passenger Set Switch Stuck Failure

|Need More Information on the B2120 Code?

Need more information on how to fix the B2120 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B2120 Code?

Get the B2120 code diagnosed by a professional: Find a repair shop in your area

|Code B2120 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 B2120 code? Have you replaced any parts?
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