ClaimRight · Warranty Denial Guides

Audi D4 warranty claim denied?

49 manufacturer communications on file 6 warranty extensions / campaigns 2008–2013 model years covered

If Audi recently denied your warranty claim on your D4 (2008–2013), you're not alone, and the denial may not be the final word. Federal records show Audi has filed 49 manufacturer communications for this model, and 6 of them are warranty extensions or service campaigns covering issues like fuel injector failures, intake manifold and solenoid problems, carbon buildup on cylinder heads, and emissions control components covered for 10 years or 120,000 miles. These documents show that Audi has already acknowledged certain recurring problems in this model line.

When a claim is denied, it's worth checking whether the specific issue you experienced matches a condition Audi has already addressed through an extension or bulletin. Dealers don't always flag these connections, and paperwork gaps or incomplete diagnostic codes can also lead to a denial that doesn't hold up once documentation is organized and presented clearly.

ClaimRight reviews your repair records against the manufacturer's own filed communications and helps you understand whether your denial has grounds for reconsideration. A free assessment can show you what documentation applies to your situation and what your realistic options are, with no obligation.

Free 2-minute assessment — is your denial worth fighting? →

What Audi has documented for the D4

Filed with NHTSA by the manufacturer. Warranty extensions are the strongest signal — the manufacturer acknowledging a defect and extending coverage for it.

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 →
2019-01-23 · A921916 2038151
This bulletin provides instructions for repairing a vehicle with a washer solvent light on but the level is correct.
Official NHTSA document →
2019-01-23 · Dealer Letter -
UPDATE ? Replacing Coolant Line (NVLW)
Official NHTSA document →
2019-01-18 · A441969 2022563
This bulletin provides information regarding vibrations or movement that are felt in the wheel.
Official NHTSA document →
2019-01-15 · A461903 2034181
This technical service bulletin provides troubleshooting for brake noise.
Official NHTSA document →
2019-01-14 · A001915 2047812
This informational bulletin contains instructions for setting up and using the SD creator program.
Official NHTSA document →
2017-09-15 · A511711 2009967-
This bulletin contains instructions for vehicle inspection, protection removal, and detailing.
Official NHTSA document →
2017-08-21 · A911743 2042097-
This informational bulletin contains resource information for when the traffic feature is inoperative in the MMI navigation.
Official NHTSA document →
2017-08-04 · SM 52-2017
This special notice is to inform dealers to return all tail lamps with the part number listed that are below generation 14s.
Official NHTSA document →
2017-07-31 · A941791 2012749-
This informational bulletin contains technical information for when there is condensation visible on the inside of the headlight, taillight, fog light, side marker light, front tur...
Official NHTSA document →
2017-07-26 · A911736 2024323-
This bulletin contains technical information regarding when the parking aid sporadically warns of obstacles that don't exist or it is inoperative/constant warning.
Official NHTSA document →
2017-07-14 · A191789 2046712-
This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.
Official NHTSA document →
2017-07-12 · A401770 2018194-
This informational bulletin contains knowledge on why oil may appear on one or several of the shock absorbers.
Official NHTSA document →
2017-06-28 · SM 44-2017 EN
This special notice is to inform dealers to return all part numbers listed in the document and order the superseded part numbers going forward.
Official NHTSA document →
2017-06-22 · A461772 2047830
This informational bulletin contains instructions for proper brake maintenance.
Official NHTSA document →
2017-05-22 · A441764 2022563-
This bulletin provides information regarding vibrations or movement that are felt in the wheel.
Official NHTSA document →
2017-05-10 · A171782 2010043-
This informational bulletin contains all the the Audi Oil Quality Standards that should be used when doing an oil change.
Official NHTSA document →
2017-05-10 · A301722 2019850-
This technical service bulletin provides guidelines for diagnosing the clutch plate.
Official NHTSA document →
2017-03-03 · ATE-17-05
Due to increasing requests for high voltage personal protective equipment (HVE PPE) for dealer technicians working with high voltage vehicles (Hybrid, Plugin Hybrid, Electric Vehic...
Official NHTSA document →
2017-02-03 · A191777 2046712-
This informational bulletin contains guidelines for figuring out why coolant marks are present around the coolant expansion tank cap.
Official NHTSA document →

Common questions

Why would Audi deny a warranty claim on a D4 model?
Denials typically happen when a dealer determines an issue falls outside standard coverage terms, mileage limits, or maintenance requirements. However, some D4 models have manufacturer-issued warranty extensions covering specific components like fuel injectors or emissions systems. If your issue matches one of these documented extensions, the original denial reasoning may not fully apply, and it can be worth revisiting with proper documentation.
What is a warranty extension and does it apply to my vehicle?
A warranty extension is a manufacturer-issued update that lengthens coverage for a specific part or system beyond the original warranty, usually because a recurring issue was identified. Audi has filed 6 such extensions for the D4 model, covering components like fuel injectors, intake manifolds, and emissions-related parts. Whether one applies depends on your vehicle's specific repair history and the component involved.
Can a denied Audi warranty claim be reconsidered?
Denied claims are sometimes reversible, particularly when documentation supports a connection to a known issue the manufacturer has already addressed through a bulletin or extension. This isn't guaranteed in every case, but organizing repair records, diagnostic reports, and relevant manufacturer communications can strengthen a request for reconsideration. A documentation review can help clarify whether your situation has supporting grounds.
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ClaimRight is a consumer advocacy and document-preparation service. We are not a law firm, do not provide legal advice, and make no promises about the outcome of any individual claim. Bulletin data is sourced from public NHTSA filings and refreshed weekly. All vehicle guides