B2108: Code Meaning, Causes, Symptoms, & Tech Notes

|What are the Possible Causes of the Code B2108?

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 to Fix the B2108 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.

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|What is the Cost to Diagnose the Code B2108?

Labor: 1.0

The cost to diagnose the B2108 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 B2108 Possible Symptoms?

Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B2108 Code Mean?

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.

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

|Code B2108 Information for Specific Makes

B2108 Buick Power Seat Switch Shorted
B2108 Cadillac Power Seat Switch Shorted
B2108 Chevrolet Power Seat Switch Shorted
B2108 Chrysler Ignition Switch Sense Input Circuit Low
B2108 Dodge Ignition Switch Sense Input Circuit Low
B2108 GMC Power Seat Switch Shorted
B2108 Infiniti Steering Lock Relay ON
B2108 Jeep Ignition Switch Sense Input Circuit Low
B2108 Nissan Steering Lock Relay ON
B2108 RAM Ignition Switch Sense Input Circuit Low

|Need Help with the B2108 Code?

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