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Audi A4 Recall 21V874: Passenger Airbag May Be Wrongly Turned Off in a Crash

NHTSA campaign 21V874, reported November 10, 2021, 208,332 vehicles potentially affected.

What this recall means for you

A fault in the cable linking the front passenger seat heater to the Passenger Occupant Detection System can cause an intermittent contact problem. The system may misread this as a malfunction and disable the front passenger airbag, even though the seat is occupied.

If the passenger airbag is disabled, it will not deploy in a crash, which increases the risk of injury to the front seat passenger. Owners should check whether their vehicle is affected and have it repaired promptly.

The repair is free at an authorized Audi dealer. The dealer will replace the connecting cable and either the heating mat or the entire seat cover. Owners of vehicles previously repaired under Recall 19V-547 will also need to return for this new remedy. Owner letters were mailed January 7, 2022, and you can contact Audi customer service at 1-800-253-2834 (recall 74E3) or check your VIN for open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V874Volkswagen Group of America, Inc.
Component
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER; SEATS
Problem
Volkswagen Group of America, Inc. (Audi) is recalling certain 2017-2020 A4 Allroad, A4 Sedan, 2018-2019 RS5 Coupe, 2019 RS5 Sportback, 2018-2020 A5 Cabriolet, A5 Coupe, A5 Sportback, S4 Sedan, S5 Cabriolet, S5 Coupe, and Audi S5 Sportback vehicles. The cable connecting the seat heater to the Passenger Occupant Detection System (PODS) may have a contact fault, causing the software to misdiagnose a malfunction and disable the passenger air bag.
Risk
A disabled passenger air bag increases the risk of injury in the event of a crash.
Remedy
Dealers will replace the connecting cable and either the heating mat or entire seat cover, free of charge. Owner notification letters were mailed January 7, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 74E3. This recall is an expansion of Recall 19V-547 (74D9). Vehicles previously repaired under 19V-547 will need to return for the new remedy.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Audi A42017201820192020
Audi A5201820192020
Audi RS 520182019
Audi S4201820192020
Audi S5201820192020