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AutoCodes - Generic - B2108

B2108 Code - Trunk Key Cylinder Switch Failure

- Code Popularity: 4,615 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 B2108 Possible Causes

  • Faulty Trunk Key Cylinder Switch
  • Trunk Key Cylinder Switch harness is open or shorted
  • Trunk Key Cylinder Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How do I Fix the Code B2108?

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 B2108?

Labor: 1.0

The cost of diagnosing the B2108 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 B2108 Possible Symptoms?

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

|Code B2108 Description

The Body Control Module (BCM) monitors the Trunk Key Cylinder Switch. The BCM sets the OBDII code when the Trunk Key Cylinder Switch is not to factory specifications.

OBDII Code B2108 - Trunk Key Cylinder Switch Failure -
B2108 Code - Trunk Key Cylinder Switch Failure

|Need More Information on the B2108 Code?

Need more information on how to fix the B2108 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B2108 Code?

Get the B2108 code diagnosed by a professional: Find a repair shop in your area

|Code B2108 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 B2108 code? Have you replaced any parts?
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