Acura B1237: Short in the Passenger's Air Mix Control Motor Circuit

Is your scanner showing Acura B1237?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Acura B1237: Short in the Passenger's Air Mix Control Motor Circuit

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$90-$150
Can I Still Drive?
:
Yes (Short-term only)

What Does The Acura B1237 Code Mean?

This code indicates poor communication between the Passenger’s Air Mix Control Motor and the Climate Control Unit – (“Short”) condition.

What Are The Potential Causes Of The Acura B1237 Code?

Below are some possible causes of this DTC:

  • Perform the HVAC self-diagnostic function with the HDS
  • “Short” in the wires between the Climate Control Unit and the Passenger’s Air Mix Control Motor
  • Faulty Passenger’s 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
>>> Car HVAC Passenger Air Mix Mode Motor

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 B1237 – Pages 72-77.

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