Mazda B12AC: Drivers Heated Seat Relay Drive Circuit Open or Shorted to Ground
Is your scanner showing Mazda B12AC?
No worries. We'll show you what it means and how to deal with it.
Mazda B12AC: Drivers Heated Seat Relay Drive Circuit Open or Shorted to Ground
OVERVIEWWhat Does The Mazda B12AC Code Mean?
If the driver heated seat relay drive circuit is open or shorted to ground and the HVAC module attempts to activate the driver heated seat relay, the DTC will set and the seat will fail to heat or intermittently heat.
What Are The Potential Causes Of The Mazda B12AC Code?
- Wiring, terminals or connectors
- Heated seat relay
- Heated seat element
- HVAC 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
>>> 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 B12AC, DTCDECODE.
