Engine-Codes - Generic - B2109

B2109 Code - Heated Wind Shield Relay Short To Battery

- Code Popularity: 13,996 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|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.

|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

|Need Help with the B2109 Code?

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