AutoCodes – Generic – B1324

B1324 Code - Door Ajar Lamp Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Door Ajar Lamp. Common causes include Faulty Door Ajar Lamp, Door Ajar Lamp harness is open or shorted, Door Ajar Lamp circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B1324 indicates Door Ajar Lamp Circuit Open.
Common causes: Common causes include Faulty Door Ajar Lamp, Door Ajar Lamp harness is open or shorted, Door Ajar Lamp circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 11,232

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1324 Description

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

OBDII Code B1324 - Door Ajar Lamp Circuit Open - AutoCodes.com — B1324 Code - Door Ajar Lamp Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1324?

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

How to Fix the DTC B1324?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1324 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1324 code?

Need more information on how to fix the B1324 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1324 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1324 Buick — A/C Refrigerant Pressure Sensor
B1324 Cadillac — A/C Refrigerant Pressure Sensor
B1324 Chevrolet — A/C Refrigerant Pressure Sensor
B1324 GMC — A/C Refrigerant Pressure Sensor
B1324 Hyundai — Passenger Occupant Classification System Communication Error
B1324 KIA — Passenger Occupant Classification System Communication Error
B1324 Lexus — Lost Communication with Meter
B1324 Pontiac — A/C Refrigerant Pressure Sensor
B1324 Saturn — A/C Refrigerant Pressure Sensor
B1324 Scion — Lost Communication with Meter
B1324 Toyota — Lost Communication with Meter

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1324 Code

What does OBDII code B1324 mean?

1. B1324 indicates an open circuit in the door ajar lamp system, meaning the vehicle cannot properly detect when a door is open or closed. 2.

What are the symptoms of a B1324 code?

Symptoms include the door ajar light staying on, the warning chime sounding unnecessarily, or the interior lights staying on longer than usual. 3.

What causes the B1324 code?

Common causes include damaged wiring, a faulty door ajar switch, a blown fuse, or a malfunction in the body control module (BCM). 4.

How is the B1324 code diagnosed?

A mechanic will inspect the door ajar switch, wiring, connectors, and fuses for damage or corrosion, and may use a scan tool to check for related data in the BCM. 5.

Can I drive with a B1324 code?

Yes, but it is not recommended to ignore the issue, as it can lead to battery drain if interior lights stay on or compromise safety features like door locking systems. 6.

How do I fix the B1324 code?

Repairs may involve replacing a faulty door ajar switch, repairing damaged wiring, cleaning corroded connectors, or resetting the BCM. 7.

Will a faulty door latch cause a B1324 code?

Yes, a malfunctioning door latch mechanism can affect the door ajar sensor and trigger this code. 8.

Can I reset the B1324 code without fixing the problem?

You can clear the code temporarily with a scan tool, but it will likely return unless the underlying issue is resolved. 9.

How much does it cost to repair a B1324 code?

Repair costs vary, but replacing a door ajar switch typically costs $50 to $200, depending on labor and parts pricing. 10.

Can a dead battery cause the B1324 code?

A low or dead battery usually doesnâ€™t cause this code directly, but electrical issues stemming from a weak battery might contribute to related problems.