DTC B1676: Lost Communication with Rear Floor Airbag Sensor RH; DTC B1677: Rear Floor Airbag Sensor RH Initialization Incomplete [08/2019 - ]: Description

HINT:

"Rear floor airbag sensor RH" refers to the rear floor side airbag sensor.

The rear floor side airbag sensor circuit consists of the airbag sensor assembly and rear floor side airbag sensor.

The rear floor side airbag sensor detects impacts to the vehicle and sends signals to the airbag sensor assembly to determine if the airbag should be deployed.

DTC B1676 or B1677 is stored when a malfunction is detected in the rear floor side airbag sensor circuit.

DTC Code	DTC Detection Condition	Trouble Area
B1676	One of the following conditions is met: The airbag sensor assembly detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to B+ signal in the rear floor side airbag sensor circuit for 2 seconds. A rear floor side airbag sensor malfunction. An airbag sensor assembly malfunction.	Floor wire Rear floor side airbag sensor Airbag sensor assembly
B1677	One of the following conditions is met: The airbag sensor assembly detects a line short circuit signal, open circuit signal, short circuit to ground signal or short circuit to B+ signal in the rear floor side airbag sensor circuit for 2 seconds. A rear floor side airbag sensor malfunction. An airbag sensor assembly malfunction.	Floor wire Rear floor side airbag sensor Airbag sensor assembly