AutoCodes – Lincoln – B1328 Lincoln

B1328 Lincoln Code - Passenger Door Ajar Circuit Open

Quick Answer

The Smart Junction Box (SJB) sends a voltage signal to the door ajar switches. 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: B1328 Lincoln indicates Passenger Door Ajar Circuit Open.
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 646

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 B1328 Lincoln Description

The Smart Junction Box (SJB) sends a voltage signal to the door ajar switches. The door ajar switch is closed with the door closed. When the door is opened, the signal to ground is interrupted indicating an open door to the SJB. The Diagnostic Trouble Code (DTC) sets when the SJB detects an open from the RH front door ajar input circuit.

OBDII Code B1328 Lincoln - Passenger Door Ajar Circuit Open - AutoCodes.com — B1328 Lincoln Code - Passenger Door Ajar Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1328 Lincoln?

Faulty Passenger Door Ajar Switch
Passenger Door Ajar Switch harness is open or shorted
Passenger Door Ajar Switch circuit poor electrical connection
Faulty Smart Junction Box (SJB)

How to Fix the DTC B1328 Lincoln?

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 B1328 Lincoln 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.

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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 B1328 Lincoln Code

1. What are the common symptoms of OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open)?

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

2. What are the possible causes of OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open)?

- The code can be triggered by a faulty door ajar switch, damaged wiring in the door circuit, or a malfunctioning Body Control Module (BCM).

3. How can I diagnose the issue related to OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open)?

- To diagnose the problem, you can visually inspect the door ajar switch, test the wiring for continuity, and use a scan tool to communicate with the BCM for error codes.

4. Can I repair OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open) myself?

- Depending on your experience and tools, you may be able to repair the issue yourself by replacing the door ajar switch, repairing damaged wiring, or reprogramming the BCM.

5. Is it safe to drive with OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open) active?

- It is generally safe to drive with this code, but you may experience issues with interior lights draining the battery or potential safety concerns with power door locks not functioning properly.

6. How much does it typically cost to repair OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open) at a mechanic?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor at a mechanic.

7. Can resetting the OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open) fix the problem temporarily?

- Resetting the code may temporarily turn off the warning lights, but it will not fix the underlying issue causing the code to trigger.

8. Are there any preventive measures to avoid OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open) in the future?

- Regularly checking and maintaining the door ajar switches, keeping an eye on the interior lights, and addressing any door-related issues promptly can help prevent this code from recurring.

9. Will OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open) affect the vehicle's performance?

- This code typically does not affect the vehicle's performance but may cause inconvenience with interior lighting and power door lock functionality.

10. How long does it usually take to repair OBDII code B1328 Lincoln (Passenger Door Ajar Circuit Open)?

- The repair time can vary depending on the exact cause of the issue and the complexity of the repair, but it may take a few hours to a full day to address the problem effectively.