B1166 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1166 – Open In Curtain Shield Squib LH Circuit


B1166 Possible Symptoms


Air Bag Warning Light ON


B1166 Possible Causes


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


B1166 Description


The Curtain Shield Squib (Left Side) circuit consists of the Airbag Sensor Assembly Center and the Curtain Shield Squib Assembly LH. The circuit instructs the Supplemental Restraint System (SRS) to deploy when deployment conditions are met. The Diagnostic Trouble Code (DTC) B1166 is recorded when an open circuit is detected in the Curtain Shield Squib LH circuit.