B1237 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B1237 – Short In The Passenger Side Air Mix Control Motor Circuit
B1237 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B1237 Possible Causes
Faulty Passenger Side Air Mix Control Motor,Passenger Side Air Mix Control Motor harness is open or shorted,Passenger Side Air Mix Control Motor circuit poor electrical connection,Faulty Climate Control Unit
B1237 Description
The Climate Control Unit monitors the Passenger Side Air Mix Control Motor. The Climate Control Unit sets the OBDII code when the Passenger Side Air Mix Control Motor is not to factory specifications.