ClaimRight · Warranty Denial Guides
Audi S4 warranty claim denied?
1,966 manufacturer communications on file
13 warranty extensions / campaigns 1991–2025 model years covered
If your Audi S4 warranty claim was just denied, you're not alone—and the denial isn't necessarily the final word. Audi has filed 1,966 manufacturer communications with NHTSA for this model, and 13 of them are formal warranty extensions or service campaigns covering issues like electric fuel pump failures, DSG transmission concerns, A/C evaporator problems, and fuel injector and intake manifold defects on 2.0 TFSI engines, along with a 10-year emissions control warranty extension. These documents show that Audi has acknowledged recurring problems on vehicles like yours, sometimes years after a customer's own claim was denied at the dealer level.
A denial letter is often just a starting point, not an ending one. Many claims are reversed once the vehicle's specific issue is matched against documented manufacturer communications and presented with the right supporting paperwork. ClaimRight helps owners organize that documentation and understand what options may be available—without charging unless we help you get a result.
A free assessment takes a few minutes and gives you a clear picture of where your claim stands and what documented issues might apply to your S4. There's no obligation, and no cost unless we're able to help.
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What Audi has documented for the S4
Filed with NHTSA by the manufacturer. Warranty extensions are the strongest signal — the manufacturer acknowledging a defect and extending coverage for it.
2022-04-28 · AWA 22-05
Warranty extension This Document informs dealers on the new electric fuel pump warranty extension for 2018-2021 S4, S5, SQ5, Q8, A8, and Q7 vehicles
Official NHTSA document →
2022-04-25 · AWA 22-04
Warranty extension This Document informs dealers on the new Takata warranty extension for 2005-2017 A3, A4 Avant, A4 Sedan, S4 Sedan, S4, Avant, A4 Cabriolet, S4 Cabriolet, A5 Cabriolet, S5 Cabriolet...
Official NHTSA document →
2022-04-15 · AWA 22-03
Warranty extension This Document informs dealers on the new DSG transmission warranty extension for 2010-2012 S4 & S5 vehicles
Official NHTSA document →
2021-02-12 · AWA 21-01
Warranty extension This Document informs dealers on the new A/C evaporator warranty extension for 2017-2021 A4/S4/Q7 and 2018-2021 A5/S5/Q5 vehicles
Official NHTSA document →
2015-07-23 · PRI C
Warranty extension AUDI: SOME AUDI VEHICLES WITH 2.0 TFSI ENGINES WILL HAVE THE WARRANTY EXTENDED FOR THE INTAKE SOLENOID. 7/23/15 *TA
Official NHTSA document →
2015-07-23 · PRI-A
Warranty extension AUDI: ALL AUDI 2011-2012 MODEL YEAR WITH AN 2.0 TFSI ENGINE WILL BE EXTENDING THE WARRANTY ON ALL FUEL INJECTORS. 7/23/15 *TA
Official NHTSA document →
2015-07-23 · USA B
Warranty extension AUDI: SOME 2011-2012 AUDI VEHICLES WITH 2.0 TFSI ENGINES WILL HAVE THE WARRANTY EXTENDED FOR INTAKE MANIFOLD AND FUEL INJECTORS. 7/23/15 *TA
Official NHTSA document →
2014-09-22 · AL-20082011
Warranty extension AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A WARRANTY EXTENSION HAS BEEN ISSUED FOR 10 YRS OR 120, 000 MILES, WHICHEVER OCCUR FIRST, ON EMISSIONS CONTROL SYSTEMS WARRANTY...
Official NHTSA document →
2014-09-22 · AL-2011
Warranty extension AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. WARRANTY EXTENSION FOR EMISSIONS CONTROL SYSTEMS WARRANTY FOR FUEL INJECTOR REPLACEMENT, HAS BEEN ISSUED, UNDER SPECIFIC CONDIT...
Official NHTSA document →
2013-12-06 · SB-48326
Warranty extension AUDI: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION PROVIDED REGARDING WARRANTY EXTENSION ON CARBON BUILDUP REMOVAL, ENGINE CYLINDER HEAD SECONDARY AIR PORTS. MODELS...
Official NHTSA document →
2013-08-21 · AWA-13-09
Warranty extension Audi has determined that a faulty fuel injector may cause minor misfire conditions and, in turn, cause the Malfunction Indicator Lamp (MIL) on the instrument cluster to illuminate...
Official NHTSA document →
2013-08-14 · AWA-13-07
Warranty extension As part of Audi's ongoing commitment to our environment, Audi is extending the Emissions Control Systems Warranty to cover cleaning of the engine cylinder head secondary air ports...
Official NHTSA document →
2010-12-03 · AWA-10-11
Warranty extension VOLKSWAGEN: WARRANTY EXTENSION FOR THE HEADLIGHT BULBS. *RM
Official NHTSA document →
2024-11-26 · A9124872024323_11
This TSB Provides information when parking assistance provides false warnings.
Official NHTSA document →
2024-11-25 · A5024152062633_3
This bulletin provides information when creaking noises are heard when body twists during braking or steering maneuvers.
Official NHTSA document →
2024-11-25 · A9024472059891_8
This bulletin provides information when the restricted function icon for Audi Pre sense is displayed after engine starts.
Official NHTSA document →
2024-11-22 · A6424022020552_13
This bulletin provides information regarding cleaning exterior glass.
Official NHTSA document →
2024-11-22 · A9124842018187_17
This bulletin provides information when speaker rattles, vibrations, or audio interference is noted.
Official NHTSA document →
2024-11-22 · A9624132076057_1
This bulletin provides information when the remote start activates the vehicle anti-theft alarm.
Official NHTSA document →
2024-11-21 · A9124812076031_1
This bulletin provides information when the weather widget is not working correctly in vehicles with Android module.
Official NHTSA document →
2024-11-21 · A9124822076052_1
This Pending Service Solution (PSS) requests that technicians enter a record in the PSS Databse in instances when the SOS Emergency call warning in instrument cluster without relev...
Official NHTSA document →
2024-11-20 · A0024992070568_3
This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
Official NHTSA document →
2024-11-20 · A4324002067531_5
This bulletin provides information when the DTCs B200FF0 to B200FF5 are stored in the J775 suspension control unit.
Official NHTSA document →
2024-11-20 · A9024432059863_4
This bulletin provides informatoin when Audi pre sense restricted message appears in the instrument cluster, no DTCs.
Official NHTSA document →
Common questions
Why was my Audi S4 warranty claim denied even though other owners had similar problems?
Dealers sometimes deny claims based on limited information, mileage cutoffs, or incomplete review of manufacturer records. Audi has filed 13 warranty extensions or service campaigns for the S4 covering issues such as fuel pumps, transmissions, and A/C evaporators. If your issue matches a documented extension or campaign, that information may not have been fully considered during the initial denial.
Can a denied Audi warranty claim be reappealed?
Many denials can be revisited, especially when the vehicle's issue lines up with a manufacturer-issued warranty extension or service campaign, such as the ones Audi has filed for the S4. Reappeal outcomes depend on the specific vehicle, mileage, repair history, and documentation available, so reviewing your case against these records is a reasonable next step before assuming the denial is final.
What documentation helps when challenging a warranty denial?
Useful documentation typically includes repair orders, the original denial letter, mileage and service history, and any manufacturer communications relevant to the specific defect—such as the warranty extensions Audi has filed for S4 fuel pumps, transmissions, or emissions components. Organizing these records clearly can help a dealer or manufacturer re-evaluate the original decision.
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