Friday, 16 October 2020 16:20

ZF Airbag Lawsuit Includes 15 Million Vehicles

Written by David A. Wood, Car Complaints


A ZF airbag lawsuit alleges the airbags and seat belts in more than 15 million vehicles may fail to activate because the vehicles are equipped with ZF TRW airbag control units (ACUs) which contain DS84 application-specific integrated circuits (ASICs).

Included in the massive class action lawsuit are ZF TRW, STMicro, Kia, Hyundai, Hyundai MOBIS, Fiat Chrysler, Toyota, Honda and Mitsubishi.


According to the lawsuit, ACUs constantly receive and interpret signals from crash sensors in the front of the vehicles. When the sensors detect an imminent crash, they notify the ACU and the ACU commands the system to deploy the airbags and tighten the seat belts.


A failed ACU means failed airbags and seat belts.


Although ZF TRW manufactures the airbag control units, STMicro makes the microchip DS84 application-specific integrated circuit, the "brain of the ZF TRW ACU. It processes the signal from the crash sensors and activates the airbags and seatbelts."


The plaintiffs claim the ACUs are more vulnerable to electrical overstress, or bursts of electricity, compared to other control units. A crash itself can cause large bursts of electricity to discharge, allegedly rendering the airbag control unit worthless and leaving occupants unprotected in a crash.


ZF TRW and the other defendants have allegedly known about the defective ACUs for at least 10 years but allegedly conspired to conceal the deadly defects.


The plaintiffs allege at least eight deaths are attributed to the ZF TRW ACUs with the DS84 ASICs.

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