Acura B1227: Open in the Outside Air Temperature Sensor Circuit
Is your scanner showing Acura B1227?
No worries. We'll show you what it means and how to deal with it.
Acura B1227: Open in the Outside Air Temperature Sensor Circuit
OVERVIEWWhat Does The Acura B1227 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 B1227 Code?
- Perform the HVAC self-diagnostic function with the HDS
- Loose wires or poor connections on the outside air temperature sensor circuit
- “Open” circuit between the Climate Control Unit and the outside air temperature sensor
- Fauty Outside Air 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:
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 B1227 – Pages 52-54.