B1149 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1149 – Front Airbag Sensor LH Circuit Malfunction


B1149 Possible Symptoms


Air Bag Warning Light ON


B1149 Possible Causes


Faulty Front Airbag Sensor (Left Side),Front Airbag Sensor (Left Side) harness is open or shorted,Front Airbag Sensor (Left Side) circuit poor electrical connection,Faulty Airbag Sensor Assembly Center


B1149 Description


The Front Airbag Sensor (Left Side) circuit consists of the diagnosis circuit and the frontal deceleration sensor, etc. If the Airbag Sensor Assembly Center receives signals from the frontal deceleration sensor, it judges whether or not the Supplemental Restraint System (SRS) should be activated. The Diagnostic Trouble Code (DTC) B1149 is recorded when a malfunction is detected in the Front Airbag Sensor (Left Side) circuit.