Honda B1239: Open or Short in the Drivers Mode Control Motor Circuit
Is your scanner showing Honda B1239?
No worries. We'll show you what it means and how to deal with it.
Honda B1239: Open or Short in the Drivers Mode Control Motor Circuit
OVERVIEWWhat Does The Honda B1239 Code Mean?
Poor communication between the Drivers Mode Control Motor and the Climate Control Unit – (“Short or “Open””) condition.
What Are The Potential Causes Of The Honda B1239 Code?
- Loose wires or poor connections on the Drivers Mode Control Motor circuit
- Perform the HVAC self-diagnostic function with the HDS
- “Short or “Open” in the wires between the Climate Control Unit and the Drivers Mode Control Motor
- Faulty Drivers Mode Control Motor
- Faulty Climate Control Unit
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> 12V Auto Waterproof Fuse Relay Box Block Kit
>>> Dorman Remanufactured Climate Control Module
>>> 06-11 Civic Heater Air Blend Door Actuator
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Body Electrical Repair Information for B1239 – American Honda Motor, page 89.
