Engine-Codes - Generic - B1566

B1566 Code - Door Ajar Circuit Short To Ground

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

|B1566 code possible causes

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

|How is the B1566 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 B1566 code

Labor: 1.0

The cost to diagnose the B1566 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 B1566 code possible symptoms?

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

|What is B1566 code meaning?

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

|Need more information with the B1566 code?

Need more information on how to fix the B1566 code?
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|Need help with a B1566 code?

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