Acura B1230: Short in the Sunlight Sensor Circuit

Is your scanner showing Acura B1230?
No worries. We'll show you what it means and how to deal with it.

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Acura B1230: Short in the Sunlight Sensor Circuit

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What Does The Acura B1230 Code Mean?

Poor communication between the Sunlight Sensor and the Climate Control Unit (“Short”) condition.

What Are The Potential Causes Of The Acura B1230 Code?

  • Perform the HVAC self-diagnostic function with the HDS
  • “Short” in the wires between the Climate Control Unit and the Sunlight Sensor
  • Faulty Sunlight Sensor
  • 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:

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 B1230 – Pages 58-59.

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