Engine-Codes - Generic - B131B

B131B Code - Left Front Door Ajar Switch Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

|B131B code possible causes

  • Faulty Left Front Door Ajar Switch
  • Left Front Door Ajar Switch harness is open or shorted
  • Left Front Door Ajar Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

|How is the B131B code repair?

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 B131B code

Labor: 1.0

The cost to diagnose the B131B 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.

|What are B131B code possible symptoms?

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

|What is B131B code meaning?

The Body Control Module (BCM) monitors the Left Front Door Ajar Switch. The BCM sets the OBDII code when the Left Front Door Ajar Switch is not to factory specifications.

|Need more information with the B131B code?

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|B131B code information for specific makes

|Need help with a B131B code?

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