B1234 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B1234 – Short In The Driver Side Air Mix Control Motor Circuit
B1234 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B1234 Possible Causes
Faulty Driver Side Air Mix Control Motor,Driver Side Air Mix Control Motor harness is open or shorted,Driver Side Air Mix Control Motor circuit poor electrical connection,Faulty Climate Control Unit
B1234 Description
The Climate Control Unit monitors the Driver Side Air Mix Control Motor. The Climate Control Unit sets the OBDII code when the Driver Side Air Mix Control Motor is not to factory specifications.