Acura B1231: Open in the Front Evaporator Temperature Sensor Circuit
Is your scanner showing Acura B1231?
No worries. We'll show you what it means and how to deal with it.
Acura B1231: Open in the Front Evaporator Temperature Sensor Circuit
OVERVIEWWhat Does The Acura B1231 Code Mean?
This code indicates poor communication between the Front Evaporator Temperature Sensor and the Climate Control Unit – (“Open”) condition.
What Are The Potential Causes Of The Acura B1231 Code?
Below are some possible causes of this DTC:
- Perform the HVAC self-diagnostic function with the HDS
- “Open” in the wires between the Climate Control Unit and the Front Evaporator Temperature Sensor
- Faulty Front Evaporator Temperature 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:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Acura Climate Control Unit
>>> NEW Genuine A/C Evaporator Evap Temperature Temp Sensor Acura Honda
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 B1231 – Pages 59-61.
