B1800 SCION, LEXUS, TOYOTA: SHORT IN DRIVER'S SIDE SQUIB CIRCUIT
POST UPDATED IN June, 2023
B1800 SCION, LEXUS, TOYOTA: SHORT IN DRIVER'S SIDE SQUIB CIRCUIT
The driver-side squib circuit includes the Steering Pad, a coiled cable, and the Center Airbag Sensor assembly. The function of this circuit is to send signals to the Supplemental Restraint System (SRS). These signals are used to indicate when it needs to be deployed, as conditions warrant.
When the B1800 OBDII fault code is set on Scion, Lexus, and Toyota vehicles, it means that a short has been detected in the driver’s side squib circuit.
The reasons why the B1800 OBD2 diagnostic code is set are:
The steps to follow to correct the DTC B1800 OBDII code are: