Engine-Codes.com
Engine-Codes – Lincoln – B1320 Lincoln

B1320 Lincoln Code - Driver Door Ajar Circuit Open

Quick Answer

The B1320 diagnostic trouble code for Lincoln vehicles indicates that there is an issue with the driver door ajar circuit being open. Common causes include Faulty door ajar switch, Wiring issues in the door ajar circuit, Corrosion or damage to the wiring harness. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B1320 Lincoln indicates Driver Door Ajar Circuit Open.
Common causes
Common causes include Faulty door ajar switch, Wiring issues in the door ajar circuit, Corrosion or damage to the wiring harness.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Aug 18, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B1320 Lincoln Description

The B1320 diagnostic trouble code for Lincoln vehicles indicates that there is an issue with the driver door ajar circuit being open. This means that the system is not detecting that the driver door is properly closed, which can lead to various safety concerns and inconvenience for the driver. When this code is triggered, it can prevent certain functions, such as locking/unlocking the door remotely, activating interior lights, or triggering the alarm system, from working correctly.

OBDII Code B1320 Lincoln - Driver Door Ajar Circuit Open
B1320 Lincoln Code - Driver Door Ajar Circuit Open

Common Causes of B1320 Lincoln

  1. Faulty door ajar switch.
  2. Wiring issues in the door ajar circuit.
  3. Corrosion or damage to the wiring harness.
  4. Malfunctioning body control module (BCM).
  5. Mechanical issue with the door latch mechanism.

Symptoms of B1320 Lincoln

  1. Interior lights staying on even when the door is closed.
  2. Door ajar warning light on the dashboard remains illuminated.
  3. Issues with the power door locks not functioning properly.
  4. Alarm system may not activate when the door is opened.
  5. Battery drain due to lights staying on when the door is closed.

How to Fix B1320 Lincoln

  1. Begin by inspecting the door ajar switch and wiring for any visible damage or corrosion. Replace the switch if necessary.
  2. Check the wiring harness for any breaks or loose connections. Repair or replace damaged wiring as needed.
  3. Test the body control module (BCM) to ensure it is functioning correctly. Replace if necessary.
  4. Check the door latch mechanism for any mechanical issues that may be preventing the door from fully closing and triggering the circuit open code.
  5. Clear the diagnostic trouble codes from the vehicle's system and test to ensure the issue has been resolved.

Cost to Fix B1320 Lincoln

The cost of repairing a B1320 code for a Lincoln vehicle can vary depending on the specific cause of the issue. In general, the parts needed for this repair, such as a door ajar switch or wiring harness, can range from $50 to $200. Labor costs at an auto repair shop can add another $100 to $300 to the total bill. Overall, the total repair cost for addressing a driver door ajar circuit open code can range from $150 to $500, but it's important to get a specific quote from a professional mechanic based on the exact cause of the problem in your vehicle.

Need more information about the B1320 Lincoln code?

Need more information on how to fix the B1320 Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1320 Lincoln code diagnosed by a professional: Find a repair shop in your area

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 B1320 Lincoln Code

1. What are the common symptoms of OBDII code B1320 for a Lincoln indicating the Driver Door Ajar Circuit Open?

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

2. What are some possible causes of the OBDII code B1320 in a Lincoln related to the Driver Door Ajar Circuit Open?

Possible causes include a faulty door ajar switch, wiring issues in the door circuit, a malfunctioning door latch mechanism, or a problem with the body control module.

3. How can I diagnose the OBDII code B1320 in my Lincoln that points to the Driver Door Ajar Circuit Open?

You can start by visually inspecting the door ajar switch and wiring for any visible damage. Using a multimeter, test the continuity of the circuit and check for proper voltage readings. Additionally, scan the vehicle's computer for specific error codes.

4. Is it safe to continue driving my Lincoln with the OBDII code B1320 indicating the Driver Door Ajar Circuit Open?

While the vehicle may still be operational, it is not recommended to drive with this issue as it can affect the proper functioning of other vehicle systems and compromise safety. It is best to address the problem promptly.

5. What are some repair tips for resolving the OBDII code B1320 related to the Driver Door Ajar Circuit Open in a Lincoln?

Start by cleaning the door ajar switch contacts and ensuring proper alignment. Check and repair any damaged wiring or connectors. If necessary, replace the faulty door ajar switch or repair the door latch mechanism.

6. Can resetting the vehicle's computer clear the OBDII code B1320 for a Lincoln with the Driver Door Ajar Circuit Open issue?

Resetting the computer may temporarily clear the code, but if the underlying problem persists, the code is likely to return. It is crucial to diagnose and address the root cause of the issue for a lasting solution.

7. Are there any DIY steps I can take to fix the OBDII code B1320 in my Lincoln related to the Driver Door Ajar Circuit Open?

Depending on your skill level, you can attempt basic troubleshooting steps such as checking and cleaning the door ajar switch, inspecting wiring for damage, and ensuring proper connections. However, more complex repairs may require professional assistance.

8. How much does it typically cost to repair the OBDII code B1320 in a Lincoln due to the Driver Door Ajar Circuit Open issue?

The cost of repair can vary depending on the specific cause of the problem, parts needed for replacement, and labor charges. It is advisable to obtain quotes from reputable mechanics or dealerships for an accurate estimate.

9. Can extreme weather conditions or environmental factors trigger the OBDII code B1320 in a Lincoln related to the Driver Door Ajar Circuit Open?

Yes, extreme temperatures or moisture can sometimes affect the door ajar switch or related components, leading to false readings and triggering the code. Keeping the vehicle protected and maintaining components can help prevent such issues.

10. Will the OBDII code B1320 for a Lincoln with the Driver Door Ajar Circuit Open issue affect the vehicle's overall performance?

While the code may not directly impact the engine or drivability, it can cause inconvenience, affect interior lights and door locks, and potentially lead to electrical problems if left unresolved. It is essential to address the issue to maintain the vehicle's optimal functionality.

Discuss the causes and fixes for B1320 Lincoln OBDII Code

Submit a New Comment

Code B1320 Lincoln comments

No comments found for this page.