C1779 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1779 – Blower Switch Failure


C1779 Possible Symptoms


Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)


C1779 Possible Causes


Faulty Blower Switch,Blower Switch harness is open or shorted,Blower Switch circuit poor electrical connection


C1779 Description


The Engine Control Module (ECM) monitors the Blower Switch. The ECM sets the OBDII code when the Blower Switch is not to factory specifications.