B1223 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B1223 – Problem In The Rear Blower Motor Circuit
B1223 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B1223 Possible Causes
Faulty Rear Power Transistor,Faulty Rear Blower Motor Relay,Faulty Rear Blower Motor,Rear Blower Motor harness is open or shorted,Rear Blower Motor circuit poor electrical connection,Faulty Rear Climate Control Unit,Faulty A/C Control Panel
B1223 Description
The Rear Climate Control Unit monitors the Rear Blower Motor. The Rear Climate Control Unit sets the OBDII code when the Rear Blower Motor is not to factory specifications.