AutoCodes – Generic – B1329

B1329 Code - Passenger Door Ajar Circuit Short To Battery

Quick Answer

The Body Control Module (BCM) monitors the Passenger Door Ajar Switch. Common causes include Faulty Passenger Door Ajar Switch, Passenger Door Ajar Switch harness is open or shorted, Passenger Door Ajar Switch 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: B1329 indicates Passenger Door Ajar Circuit Short To Battery.
Common causes: Common causes include Faulty Passenger Door Ajar Switch, Passenger Door Ajar Switch harness is open or shorted, Passenger Door Ajar Switch 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 15,868

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 B1329 Description

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

OBDII Code B1329 - Passenger Door Ajar Circuit Short To Battery - AutoCodes.com — B1329 Code - Passenger Door Ajar Circuit Short To Battery

What does this mean?

What are the Possible Causes of the DTC B1329?

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

How to Fix the DTC B1329?

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 B1329 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 B1329 code?

Need more information on how to fix the B1329 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1329 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1329 Hyundai — Driver-Side Front Impact Sensor Communication Error
B1329 KIA — Driver-Side Front Impact Sensor Communication Error

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 B1329 Code

1. What are common symptoms of OBDII code B1329 (Passenger Door Ajar Circuit Short To Battery)?

The common symptoms include the interior lights staying on, the door ajar warning light constantly illuminated, and potential issues with power door locks.

2. What are possible causes of OBDII code B1329?

Possible causes of this code include a short circuit in the wiring leading to the passenger door ajar sensor, a faulty door ajar sensor, or issues with the vehicle's body control module.

3. How can I diagnose the source of OBDII code B1329?

To diagnose the issue, you can visually inspect the wiring leading to the passenger door ajar sensor, test the sensor itself for proper function, and use a multimeter to check for a short circuit in the circuit.

4. Can I continue to drive my vehicle with OBDII code B1329?

While the vehicle may still be operable with this code, it is recommended to address the issue promptly to prevent potential electrical problems or draining of the vehicle's battery.

5. How can I repair OBDII code B1329?

Repair options include repairing any damaged wiring, replacing the passenger door ajar sensor if faulty, or reprogramming the body control module if needed.

6. Is it possible to reset OBDII code B1329 without fixing the issue?

Resetting the code without addressing the underlying problem will likely result in the code reappearing once the vehicle's system detects the issue again.

7. Are there any DIY fixes for OBDII code B1329?

DIY fixes may include visually inspecting and securing any loose wiring connections, but more complex repairs may require professional assistance.

8. Can extreme weather conditions trigger OBDII code B1329?

Extreme weather conditions could potentially affect the door ajar sensor or wiring, leading to the triggering of this code.

9. How long does it typically take to repair OBDII code B1329?

The repair time can vary depending on the specific cause of the code, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the issue.

10. Will fixing OBDII code B1329 require specialized tools?

Basic tools such as a multimeter and wiring tools may be needed to diagnose and repair this code, but specialized tools are generally not required for most cases.