Facing a B1320 Ford Code? Don’t worry, you’re not alone. This code indicates an open circuit in the driver door ajar switch and is often caused by a faulty switch, a shorted harness, or a poor electrical connection in the circuit.
Knowing the symptoms, how to diagnose it, and how to fix it can help you get your car back on the road and running smoothly again.
Read on to learn more about the B1320 Ford Code and how to address it.
Key Takeaways
- The B1320 Ford code is related to the driver door ajar circuit being open.
- Possible causes of the code include a faulty driver door ajar switch, open or shorted switch harness, poor electrical connection, or a faulty Smart Junction Box (SJB).
- To fix the B1320 Ford code, you should visually inspect the wiring harness and connectors, check for damaged components, and look for any related Factory Service Bulletins issued by Ford.
- Ignoring the code may result in decreased performance or safety issues, so it is important to address it promptly by consulting a professional for proper diagnosis and repair.
What Is the B1320 Ford Code
The B1320 Ford Code indicates an open circuit in the driver door ajar switch, which can cause several issues with the vehicle’s performance. Common symptoms of this code include the Engine Light ON (or Service Engine Soon Warning Light).
It is important to address the code promptly to avoid potential further damage, as ignoring the code may result in decreased performance or safety issues. Diagnosing the B1320 Ford Code involves visually inspecting wiring harness and connectors, looking for broken, bent, pushed out, or corroded connector pins, and following any related Factory Service Bulletins issued by Ford.
The role of the Smart Junction Box (SJB) in the B1320 Ford Code is to send a voltage signal to the door ajar switches when the door is closed. When the door is opened, the signal to ground is interrupted, indicating an open door to the SJB.
What Causes the B1320 Ford Code
Possible causes of the B1320 Ford code include:
- A faulty switch
- Short or open in the switch harness
- Poor electrical connection
Diagnosing and troubleshooting this code involves:
- Looking for damaged components
- Checking for broken pins
- Checking for any related Factory Service Bulletins issued by Ford
Common symptoms of this code include:
- Engine light
- Decreased performance
- Safety issues
Repairing the code can cost between $75 and $150 per hour depending on the location. It is important to address the code promptly to avoid any further damage.
How to Diagnose the B1320 Ford Code
Diagnosing the B1320 Ford code requires a visual inspection of wiring harnesses and connectors, checks for damaged components, and looking for broken, bent, pushed out, or corroded connector pins. Common symptoms of the B1320 Ford code include engine light on or service engine soon warning light. It is important to address the code promptly to avoid further damage.
Steps to diagnose the code include checking for any related factory service bulletins issued by Ford, as well as inspecting the electrical connection in the driver door ajar switch circuit.
Potential risks of ignoring the code include decreased performance or safety issues.
Cost factors for diagnosing and repairing the code include labor costs and diagnosis time that vary by location, make and model of the vehicle, and engine type.
How to Fix the B1320 Ford Code?
Repairing the B1320 Ford code may involve visually inspecting wiring harnesses and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector pins.
Troubleshooting steps can include checking for factory service bulletins issued by Ford for the specific model and looking for common signs of a faulty driver door ajar switch.
The Smart Junction Box (SJB) sends a voltage signal to the door ajar switch, which is closed when the door is closed. When the door is open, the signal is interrupted and the code is set.
Ignoring the code may result in decreased performance or safety issues, so it is important to diagnose and fix the B1320 Ford code promptly for various Ford models.
Video Help with the Ford Door Ajar Code Error
The door-ajar issues can be a few different things. In the case of the B1320 Ford code, the focus can be more with the circuit than the other parts. But having an understanding of the whole thing is a huge benefit and that is why I wanted to make sure and share this video with you. The is from the Youtuber 737mechanic and he does a 23-minute video covering the door ajar issue on a Ford F-150. Has a lot of good information and really worth the watch. Click the red plau button below to watch it.
Frequently Asked Questions
Is the B1320 Ford Code Dangerous?
The B1320 Ford Code can be dangerous if not addressed promptly. To prevent this, it’s important to follow preventative maintenance steps, such as battery maintenance, parts replacement, fuses checking, and wiring inspection. Doing this can help ensure safety and keep your vehicle running smoothly and efficiently.
Is the B1320 Ford Code Common?
The B1320 Ford Code is a common issue that requires the use of diagnosing tools and professional help. Repair costs vary, but troubleshooting tips and common solutions can be found online to reduce the cost associated with diagnosis and repair.
How Long Does It Take to Diagnose and Fix the B1320 Ford Code?
Diagnosing and fixing the B1320 Ford Code typically takes between 1-2 hours, depending on the specific vehicle and its systems. Troubleshooting tips, diagnostic tools, common solutions, repair costs, and warning signs should all be considered when addressing the code. It is important to consult a professional for a proper diagnosis and repair.
Are There Other Potential Causes of the B1320 Ford Code Besides the Ones Listed?
Yes, there are other potential causes of the B1320 Ford Code besides the ones listed, such as wiring problems, faulty components, door sensors, fuse issues, and weather damage. It is important to thoroughly inspect all related components and wiring before diagnosing and repairing the issue.
What Should I Do if the B1320 Ford Code Returns After Repair?
If the B1320 Ford Code returns after repair, it could indicate underlying problems with grounding issues, power problems, door wiring, sensor failure or latch problems. Check the wiring and connections, and if necessary, replace faulty components to ensure the issue is resolved.
Final Thoughts
The B1320 Ford Code is an error code that can be caused by a variety of issues. It is important to address the code promptly as ignoring it can lead to decreased performance or safety issues.
The specific cause of the code should be determined through diagnostics, after which the appropriate repair can be made. Prompt diagnosis and repair of the B1320 Ford Code can help to ensure optimal performance and safety.
