B1A34 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1A34 – Universal Garage Door Switch 3 Stuck


B1A34 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1A34 Possible Causes


Faulty Universal Garage Door Switch 3,Universal Garage Door Switch 3 harness is open or shorted,Universal Garage Door Switch 3 circuit poor electrical connection,Faulty Electronic Overhead Module (EOM)


B1A34 Description


The Electronic Overhead Module (EOM) monitors the Universal Garage Door Switch 3. The EOM sets the OBDII code when it detects an internal switch failure.