Acura B1246: Problem in the Rear Air Mix Control Linkage, Door, or Motor Circuit
Is your scanner showing Acura B1246?
No worries. We'll show you what it means and how to deal with it.
Acura B1246: Problem in the Rear Air Mix Control Linkage, Door, or Motor Circuit
OVERVIEWWhat Does The Acura B1246 Code Mean?
Poor communication between the Outside Air Temperature Sensor and the Climate Control Unit (“Open”) condition.
What Are The Potential Causes Of The Acura B1246 Code?
- Loose wires or poor connections on the Rear Air Mix Control Motor circuit
- Perform the HVAC self-diagnostic function with the HDS
- Blown fuse in the main under-hood fuse box
- Blown fuse in the under-dash fuse/relay box
- “Open” in the wire(s) between the Climate Control Unit and the Rear Air Mix Control Motor
- Broken linkage or door
- Faulty Rear Air Mix 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:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Acura Climate Control Unit
>>> ACURA HONDA 79160S0KJ01 Air Mix Control Motor Actuator - Genuine OEM - NOS
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2007-2009 Acura MDX HVAC Climate Control Service Manual for B1246 – Pages 97-99.
