B2109: Code Meaning, Causes, Symptoms, & Tech Notes

|What are the Possible Causes of the Code B2109?

Faulty Heated Wind Shield Relay
Heated Wind Shield Relay harness is open or shorted
Heated Wind Shield Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

|How to Fix the B2109 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 B2109?

Labor: 1.0

The cost to diagnose the B2109 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 B2109 Possible Symptoms?

Engine Light ON (or Service Engine Soon Warning Light)

|What Does the B2109 Code Mean?

The Body Control Module (BCM) monitors the Heated Wind Shield Relay. The BCM sets the OBDII code when the Heated Wind Shield Relay is not to factory specifications.

B2109 Code - Heated Wind Shield Relay Short To Battery

|Need more Information on the B2109 Code?

Need more information on how to fix the B2109 code? Get Access to Factory Service Manuals

|Code B2109 Information for Specific Makes

B2109 Buick Power Seat Switch Shorted
B2109 Cadillac Power Seat Switch Shorted
B2109 Chevrolet Power Seat Switch Shorted
B2109 Chrysler Ignition Switch Sense Input Circuit High
B2109 Dodge Ignition Switch Sense Input Circuit High
B2109 GMC Power Seat Switch Shorted
B2109 Infiniti Steering Lock Relay OFF
B2109 Jeep Ignition Switch Sense Input Circuit High
B2109 Nissan Steering Lock Relay OFF
B2109 RAM Ignition Switch Sense Input Circuit High

|Need Help with the B2109 Code?

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