Mazda B12A9: Recirculation Door Actuator, Drive Circuit(s) Shorted to Battery Voltage
Is your scanner showing Mazda B12A9?
No worries. We'll show you what it means and how to deal with it.
Mazda B12A9: Recirculation Door Actuator, Drive Circuit(s) Shorted to Battery Voltage
OVERVIEWWhat Does The Mazda B12A9 Code Mean?
The module senses voltage on the door actuator drive ground circuit, indicating a short directly to voltage.
What Are The Potential Causes Of The Mazda B12A9 Code?
- Wiring, terminals or connectors
- Mode door actuator
- EMTC module
- Stuck or damaged linkage or door
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
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Mazda A-Premium HVAC Heater Blend Door Actuator
>>> Cx-9 Heater Control
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Mazda B12A9, DTCDECODE.
