Mazda B12B1: Front Blower Motor PWM Drive Circuit Shorted to Battery Voltage
Is your scanner showing Mazda B12B1?
No worries. We'll show you what it means and how to deal with it.
Mazda B12B1: Front Blower Motor PWM Drive Circuit Shorted to Battery Voltage
OVERVIEWWhat Does The Mazda B12B1 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 B12B1 Code?
- Fuse(s)
- Wiring, terminals or connectors
- Blower motor
- Blower motor relay
- Blower motor switch
- EMTC module
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 Blower Motor Assembly
>>> Mazda HVAC Blower Control Switch
>>> Cx-9 Heater Control
>>> CrocSee 250 Pieces - Car Fuses Assortment Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Mazda B12B1, DTCDECODE.
