Engine-Codes - Generic - B109B

B109B Code - License Plate Light

- Code Popularity: 3,380 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the Code B109B?

  • Faulty License Plate Light
  • License Plate Light harness is open or shorted
  • License Plate Light circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How to Fix the B109B 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 B109B?

Labor: 1.0

The cost to diagnose the B109B 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 B109B Possible Symptoms?

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

What Does the B109B Code Mean?

The Body Control Module (BCM) monitors the License Plate Light. The BCM sets the OBDII code when the License Plate Light is not to factory specifications.

B109B Code - License Plate Light

Need more Information on the B109B Code?

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Code B109B Information for Specific Makes

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