Engine-CodesFord – B1328 Ford

B1328 Ford Code - Passenger Door Ajar Circuit Open

Quick Answer

The B1328 Ford code indicates that there is a problem with the passenger door ajar circuit being open. Common causes include Faulty door ajar sensor, Damaged wiring connected to the sensor, Corrosion or rust on the sensor or wiring. 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
B1328 Ford indicates Passenger Door Ajar Circuit Open.
Common causes
Common causes include Faulty door ajar sensor, Damaged wiring connected to the sensor, Corrosion or rust on the sensor or wiring.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B1328 Ford Description

The B1328 Ford code indicates that there is a problem with the passenger door ajar circuit being open. In simpler terms, the vehicle's computer system is detecting that the passenger door is not fully closed when it should be. This issue can lead to various complications and affect the overall performance of the vehicle.

OBDII Code B1328 Ford - Passenger Door Ajar Circuit Open
B1328 Ford Code - Passenger Door Ajar Circuit Open

Common Causes of B1328 Ford

  1. Faulty door ajar sensor.
  2. Damaged wiring connected to the sensor.
  3. Corrosion or rust on the sensor or wiring.
  4. Loose connection in the circuit.
  5. Impact or damage to the door causing misalignment.

Symptoms of B1328 Ford

  1. Door ajar warning light on the dashboard.
  2. Inability to lock the vehicle properly.
  3. Interior lights staying on when the door is closed.
  4. Alarm system not functioning correctly.
  5. Battery draining faster than usual.

How to Fix B1328 Ford

  1. Inspect the door ajar sensor and wiring for any visible damage or corrosion.
  2. Test the sensor using a multimeter to check for proper functionality.
  3. Replace the door ajar sensor if it is faulty.
  4. Repair or replace any damaged wiring in the circuit.
  5. Reset the vehicle's computer system to clear the code and test the repair.

Cost to Fix B1328 Ford

The typical repair costs for addressing a B1328 Ford code can range from $100 to $300, depending on the specific cause of the issue and the labor rates at the auto repair shop. It's important to note that diagnosis time and labor rates can vary, so it's advisable to check with local shops for a more accurate estimate. Additionally, parts and labor costs may be higher at dealerships or in metropolitan areas compared to independent shops.

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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 Ford Code

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

- Common symptoms include the interior dome light staying on, the door ajar warning light on the dashboard being illuminated, and the power door locks not functioning properly.

2. What can cause the OBDII code B1328 Ford to trigger?

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

3. How can I diagnose the cause of the Passenger Door Ajar Circuit Open code?

- You can start by visually inspecting the door ajar switch and the wiring in the door jamb for any signs of damage. Using a multimeter to check for continuity in the circuit and testing the door ajar switch functionality are also recommended diagnostic steps.

4. Is it safe to continue driving with the B1328 Ford trouble code?

- It is generally safe to drive with this code, but it is important to address the issue promptly to avoid potential problems with the vehicle's electrical systems.

5. What are some repair tips for fixing the Passenger Door Ajar Circuit Open issue?

- Repair tips include cleaning the door ajar switch contacts, repairing any damaged wiring, and replacing the door ajar switch or the BCM if necessary.

6. Can a DIY enthusiast fix the B1328 Ford code at home?

- Yes, DIY enthusiasts with basic electrical knowledge and tools can attempt to fix the issue themselves by following repair guides and tutorials specific to their vehicle model.

7. How much does it typically cost to repair the Passenger Door Ajar Circuit Open problem?

- The cost of repairing this issue can vary depending on the exact cause of the problem and whether you choose to do the repairs yourself or take your vehicle to a mechanic. In general, the cost can range from $50 to $200 or more.

8. Will resetting the OBDII code B1328 Ford make the problem go away?

- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the code to trigger. It is important to diagnose and repair the root cause of the problem.

9. Can the Passenger Door Ajar Circuit Open code affect other systems in the vehicle?

- Yes, this code can affect other systems that rely on the door status information, such as the interior lighting, power door locks, and in some cases, the vehicle's security system.

10. How long does it take to repair the B1328 Ford trouble code?

- The repair time can vary depending on the specific cause of the issue and the expertise of the person performing the repairs. In general, it can take anywhere from 30 minutes to a few hours to fix the problem.

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