If you own a Dodge and you’ve ever seen your engine light turn on, then you may have encountered the Dodge B105D code. This error code is related to the A/C Heater Module and can be caused by a variety of different issues. In this article, I’ll explain the symptoms, causes, and fixes for the Dodge B105D code so that you can get back on the road quickly and safely.
Key Takeaways
- Possible causes of DTC B105D Dodge include a binding recirculation door, faulty recirculation door actuator, open or shorted actuator harness, and poor electrical connection in the actuator circuit.
- To fix the issue, visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector pins.
- Another possible cause is a faulty A/C Heater Module, so it should be checked as well.
- The cost to diagnose the B105D Dodge code is typically 1.0 hour of labor, with rates varying depending on the location, make and model of the vehicle, and engine type.
Symptoms of Dodge B105D Code
The main symptom of the Dodge B105D code is the Engine Light ON (or Service Engine Soon Warning Light). This code can be triggered by possible related issues, such as binding recirculation doors, faulty recirculation door actuator, and faulty A/C heater module. It can affect the performance of your vehicle and should be addressed promptly. Common triggers for the code include open or shorted recirculation door actuator harnesses and poor electrical connections. To reset the code, you should check for damaged components and look for broken, bent, pushed out, or corroded connector pins. It is important to review any factory service bulletins issued by Dodge for this code.
Causes of Dodge B105D Code
You may find that the recirculation door actuator is binding, faulty, or that the harness is open or shorted, or that there is a poor electrical connection with the A/C Heater Module. Poor connections in the recirculation door actuator harness can also be the cause of the B105D Dodge code. It’s important to check for damaged components, broken, bent, pushed out, or corroded connector pins, and to make sure that Dodge has not issued a Factory Service Bulletin for the code (2013 – Up Models). Diagnosis time and labor rates vary, but most auto repair shops charge between $75 and $150 per hour.
Fixes for Dodge B105D Code
To fix the B105D Dodge code, check for binding, faulty components, open or shorted harnesses, and poor electrical connections. Start by visually inspecting the wiring harness and connectors for any damage. It’s also important to check if Dodge has issued a Factory Service Bulletin for the B105D code (2013 – Up Models). If the Recirculation Door Actuator is found to be faulty, it will need to be replaced. The calibration process must then be completed with the A/C Heater Module replacement. Any bent, pushed out, or corroded connector pins should be addressed. With proper diagnosis and repair, you should be able to avoid further issues.
Diagnostics for Dodge B105D Code
Diagnosing the B105D code requires checking for binding, faulty components, and more. Troubleshooting steps include visually inspecting the related wiring harness and connectors for damage, and checking for broken, bent, pushed out, or corroded connector pins. Common signs of a faulty recirculation door actuator are binding or lack of movement. The A/C Heater Module drives the Door Actuators and stores calibrations in the form of pulses. It is important to understand the role of the A/C Heater Module in order to diagnose the code. Dodge vehicles may also have a Factory Service Bulletin for the B105D code, so it is important to check for this. By following these steps, the cause of the B105D code can be determined and repaired.
Video Help for the Dodge B105D Code
This is a video by Youtube channel Auto Repair Guys that goes through how to test and calibrate a blend door actuator, this video is just under 5 minutes. Click the red button below to watch it.
The other video I wanted to share was from Youtube Melvin Zoopers and it shows how to replace a HVAC recirculation actuator. This video is short as well at just over 5 minutes. Red button below will start the video.
Frequently Asked Questions
How Long Does It Take to Diagnose the B105D Dodge Code?
Diagnosing a B105D Dodge code can take anywhere from 1-2 hours. Common symptoms for this code include the engine light coming on or a service engine soon warning light. Testing options include visually inspecting wiring harnesses and connectors, looking for broken, bent, or corroded connector pins, and checking if Dodge has issued a Factory Service Bulletin. The cost to diagnose the code can range from $75-150 per hour. If you are looking for DIY tips or online resources, search for forums related to Dodge and look for helpful advice from other vehicle owners.
Does the B105D Dodge Code Affect All Dodge Models?
The B105D Dodge code affects all models from 2013 onward. This code is associated with a fault diagnosis, engine resetting, performance tuning, diagnostic tests and fuel system issues. When these issues arise, it’s important to have the code properly diagnosed by a qualified technician. This could involve resetting the engine, performing diagnostic tests and tuning the fuel system. Diagnosis can take a bit of time, but it’s essential for proper maintenance and performance of your vehicle. It’s important to address any issues with the B105D Dodge code as soon as possible to ensure your vehicle stays in good condition.
Is There a Warranty Available for Repairs Related to the B105D Dodge Code?
When it comes to repairs related to the B105D Dodge code, it’s important to do your research first. Make sure to look into troubleshooting methods, repair costs, extended coverage, customer feedback, and aftermarket options. If you have an extended warranty, it may cover some costs, but it’s always best to check with your provider to be sure. You may also be able to find a good deal on aftermarket parts or extended coverage if you shop around. Do your due diligence and ask questions to ensure you get the best value for your money.
Can I Do the Repairs Myself if I Have the Right Tools?
Yes, you can do the repairs yourself if you have the right tools. You’ll need to replace any parts that are faulty, check all the connections, and make sure the system scans are accurate. It’s also a good idea to get professional help if you’re not sure how to proceed. Common problems associated with the code can be complicated and time consuming to diagnose and fix. Having the right knowledge and tools will make the job easier and help you avoid costly mistakes.
Is There a Specific Type of Technician Required to Diagnose the B105D Dodge Code?
Yes, there is a specific type of technician required to diagnose the b105d dodge code. Troubleshooting techniques are necessary to identify potential causes for the error code and to accurately diagnose the issue. Diagnostic equipment is used to read the error codes and to pinpoint the common causes. It is often more cost effective to hire a technician who specializes in diagnosing and repairing these types of issues. With the right tools and expertise, a technician can quickly identify the issue, determine the repair costs, and get your car back up and running.
Conclusion
If you’re experiencing the Dodge B105D code, it’s important to diagnose it as soon as possible. Symptoms can range from the engine light turning on to the Service Engine Soon Warning Light. The code can be caused by binding recirculation door, faulty recirculation door actuator, or faulty A/C Heater Module. Visually inspect the related wiring harness and connectors and check for damaged components. Diagnosing the code can be expensive, but it’s important to make sure the problem is identified and fixed quickly.
