B1906 TOYOTA, SCION, LEXUS: OPEN IN FRONT PASSENGER SIDE PRETENSIONER SQUIB CIRCUIT
POST UPDATED IN February, 2023
B1906 TOYOTA, SCION, LEXUS: OPEN IN FRONT PASSENGER SIDE PRETENSIONER SQUIB CIRCUIT
The circuit in charge of activating the front passenger side pretensioner includes the Center Airbag Sensor assembly and the outboard belt that corresponds to the right front seat (HR). The purpose of this circuit is to communicate the Supplemental Restraint System (SRS) when deployment is required once the conditions for such action are met.
The DTC B1906 OBD2 for Toyota, Lexus, and Scion vehicles relates to a fault with the front passenger side pretensioner activation circuit, and it is set when the circuit is open.
The B1906 OBDII diagnostic code setting occurs because of the following reasons:
Steps to follow to troubleshoot the B1906 OBD2 fault code are: