B1233 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1233 – Open In The Driver Side Air Mix Control Motor Circuit

 

B1233 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1233 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

 

B1233 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.