Audi S4 — Tires
High risk
Aug 21, 2024
Model years: 2023, 2024
Certain tires may have a defect that could cause the tread to separate from the belts. If this happens, the tire could fail.
Also affects: Audi A5, Audi S5, Continental Procontact Gx Ao 255/35/R19, Continental 1-855-453-1962
Audi S4 — Visual System
High risk
Oct 5, 2022
Model years: 2021
On certain vehicles, a software problem could cause the rearview camera image not to appear on the display. Canadian regulations require the rearview image to display when the tran
Also affects: Audi A4, Audi A5, Audi A6, Audi A7, Audi A8
Audi S4 — Suspension
High risk
Jan 26, 2022
Model years: 2020, 2021
On certain vehicles, the rear wheel alignment was not checked during recall 42L1 (Transport Canada Recall 2021-249). As a result, the steering could pull to one side or another and
Also affects: Audi A4, Audi A5, Audi A6, Audi A7, Audi A8
Audi S4 — Airbag
High risk
Nov 10, 2021
Model years: 2018, 2019
On certain vehicles, the passenger occupant detection system (PODS) may malfunction. This could cause the airbag system to turn off the passenger-front airbag even when a passenger
Also affects: Audi A4, Audi A5, Audi Rs 5, Audi S5
Audi S4 — Seats And Restraints
High risk
Aug 4, 2021
Model years: 2021
On certain vehicles, the passenger seat belt assemblies may contain defective automatic locking retractors (ALR). As a result, the seat belts may not properly lock to secure a chil
Also affects: Audi A4, Audi A5, Audi A6, Audi A7, Audi A8
Audi S4 — Airbag
High risk
Jun 23, 2021
Model years: 2000, 2001, 2002
Issue: On certain vehicles, exposure to moisture over time could cause the driver-front airbag not to inflate properly in a crash. Safety Risk: An airbag that does not inflate prop
Also affects: Audi A4, Audi Tt
Audi S4 — Suspension
High risk
Apr 26, 2021
Model years: 2020, 2021
On certain vehicles, the lock nuts for the rear trailing arm bolts may be defective. If a nut breaks, there could be sudden changes in rear wheel alignment. This can cause a loss o
Also affects: Audi A4, Audi A5, Audi A6, Audi A7, Audi A8
Audi S4 — Airbag
High risk
Jul 24, 2019
Model years: 2018
On certain vehicles, the passenger occupant detection system (PODS) may malfunction. This could cause the airbag system to turn off the passenger-front airbag even when a passenger
Also affects: Audi A4, Audi A5, Audi Rs 5, Audi S5
Audi S4 — Airbag
High risk
Jun 22, 2018
Model years: 2006, 2007, 2008, 2009
On certain vehicles, long-term exposure to high absolute humidity and temperature, combined with high temperature cycling, could eventually degrade the propellant contained in the
Also affects: Audi A6, Audi A4, Audi Rs 4, Audi S6
Audi S4 — Airbag
High risk
Jan 30, 2018
Model years: 2007, 2008, 2009
On certain vehicles, long-term exposure to high absolute humidity and temperature, combined with high temperature cycling, could eventually degrade the propellant contained in the
Also affects: Audi A3, Audi A4, Audi A5, Audi Q5, Audi S5
Audi S4 — Airbag
High risk
Jan 10, 2018
Model years: 2009
On certain vehicles, long-term exposure to high absolute humidity and temperature, combined with high temperature cycling, could eventually degrade the propellant contained in the
Also affects: Audi S6, Audi A6, Audi A4
Audi S4 — Airbag
High risk
Jan 13, 2017
Model years: 2006, 2007, 2008
On certain vehicles, long-term exposure to high absolute humidity and temperature, combined with high temperature cycling, could eventually degrade the propellant contained in the
Also affects: Audi A4, Audi A6, Audi Rs 4, Audi S6
Audi S4 — Airbag
High risk
May 27, 2016
Model years: 2006, 2007, 2008
On certain vehicles, long-term exposure to high absolute humidity and temperature, combined with high temperature cycling, could eventually degrade the propellant contained in the
Also affects: Audi A4, Audi A6, Audi Rs 4, Audi S6
Audi S4 — Airbag
High risk
Feb 9, 2016
Model years: 2007, 2008, 2009
On certain vehicles, the driver frontal airbag inflator could produce excessive internal pressure during airbag deployment. Increased pressure may cause the inflator to rupture, wh
Also affects: Audi A3, Volkswagen Passat, Audi A4
Audi S4 — Fuel System
High risk
Jan 16, 2015
Model years: 2011, 2012
On certain vehicles, a fuel leak may occur in the fuel injection system under certain driving conditions. Leaking fuel in the presence of an ignition source could lead to a fire ca
Also affects: Audi A6, Audi A7, Audi Q7, Audi S5
Audi S4 — Airbag
High risk
Oct 23, 2014
Model years: 2013, 2014, 2015
On certain vehicles, it is possible that the front airbags may not deploy in a crash as designed, due to an improper algorithm/coding within the airbag control module. Front seat o
Also affects: Audi A4
Audi S4 — Lights And Instruments
High risk
Mar 14, 2005
Model years: 2003, 2004
On certain Audi A4 cabriolet and S4 cabriolet, the Xenon headlamp reflectors may experience coating degradation. The luminous transmittance of the headlamp may decrease over a peri
Also affects: Audi A4
Audi S4 — Fuel System
High risk
Mar 20, 2003
Model years: 1996, 1997
On certain vehicles, a fuel feed line connecting the fuel filter to the engine can prematurely age and shrink through exposure to high under hood temperature caused by the turbocha
Also affects: Audi S6
Audi S4 — Fuel System
High risk
Apr 14, 2000
Model years: 1992, 1993, 1994, 1995
On certain vehicles, a fuel feed line connecting the fuel filter to the engine can prematurely age and shrink through exposure to high under hood temperature caused by the turbocha
Also affects: Audi S6
Audi S4 — Seats And Restraints
High risk
Oct 10, 1997
Model years: 1992, 1993
THE AIR BAG SENSOR ON THESE VEHICLES MAY MALFUNCTION AND CAUSE THE AIR BAG RESTRAINT SYSTEM TO DEPLOY WITHOUT AN IMPACT OR ACCIDENT. DEPLOYMENT OF THE AIR BAG RESTRAINT SYSTEM WITH
Also affects: Audi 100, Audi 200, Audi 90, Audi V8
Audi S4 — Electrical
High risk
Feb 6, 1996
Model years: 1994, 1995, 1996
THE IGNITION SWITCHES ON THESE VEHICLES MAY HAVE BEEN IMPROPERLY MANUFACTURED AND COULD CAUSE ELECTRICAL ACCESSORIES, SUCH AS TURN SIGNALS, WINDSHIELD WIPERS, LAMPS, POWER WINDOWS
Also affects: Audi 100, Audi 90, Audi A6, Audi S6