B1900 TOYOTA, SCION, LEXUS: SHORT IN FRONT DRIVER SIDE PRETENSIONER SQUIB CIRCUIT
POST UPDATED IN June, 2023
B1900 TOYOTA, SCION, LEXUS: SHORT IN FRONT DRIVER SIDE PRETENSIONER SQUIB CIRCUIT
The function of the driver’s side front pretensioner activation circuit is to tell the SRS (Supplemental Restraint System) when to deploy the pretensioner, taking into account the conditions that require it. The outside left front seat belt and the center airbag sensor are included for this circuit.
The OBDII diagnostic code B1900 for Scion, Lexus, and Toyota vehicles relates to a failure of the driver’s side front pretensioner activation circuit, which has a short.
DTC B1900 OBD2 is set for one of the following reasons:
The steps to solve the B1900 OBDII fault code are: