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Audi · Known Issues

2003 Audi S6 Problems: 1 Known Issue

2003 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2003 Audi S6 has 1 documented issue, with 1 rated critical. The most serious is ZF 5HP24 Tiptronic Transmission Valve Body Failure ($1,500-$4,000 repair). Across all issues with published estimates, repair costs range from $1,500 to $4,000. DIY maintenance guides at au7o.io.

In This Article

  • S6 Transmission1
  • Recalls2
  • FAQ
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In This Article

  • Transmission1
  • Recalls2
  • FAQ

All 1 Known Issue

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On the 2002-2004 Audi S6, the ZF 5HP24 Tiptronic automatic transmission develops valve body issues causing harsh shifts, delayed engagement, and eventually limp mode. The electronic solenoids and valve body bore wear are the primary failure modes.

This issue also affects: Audi A4 Avant, Audi A4, Audi A8

Common Symptoms

  • Harsh shifts
  • Delayed engagement
  • Transmission limp mode
  • Gear hunting on hills

How to Fix

Typical repair cost:$1,500 - $4,000

Research This Issue

GoogleRedditYouTubeNHTSA
Community Reported
Medium Confidence
NHTSA Recalls2 recalls

FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY

VOLKSWAGEN IS RECALLING CERTAIN MODEL YEAR 2001-2004 AUDI A6, MODEL YEAR 2002-2003 S6 AND MODEL YEAR 2003 RS6 VEHICLES EQUIPPED WITH 4.2L ENGINES AND MANUFACTURED FROM JUNE 19, 2001, THROUGH JUNE 8, 2004. THE AGING OF THE PLASTIC MATERIAL IN THE FUEL TANK ROLLOVER VALVE COMBINED WITH BENDING STRESS FROM THE ALUMINUM VENTILATION LINE TO THE ROLLOVER VALVE NIPPLE MAY LEAD TO CRACKING OF THE NIPPLE. IF THIS HAPPENS, A FUEL LEAK MAY RESULT.

Campaign #11V26700003/05/2011

ELECTRICAL SYSTEM

ON CERTAIN PASSENGER VEHICLES, IF A DRIVER'S KNEES PUSH AGAINST THE KNEE BOLSTER (CRASH ELEMENT) LOCATED UNDER THE DASHBOARD, IT CAN CONTACT THE HEADLIGHT SWITCH WIRING HARNESS, AND AN ELECTRICAL SHORT COULD OCCUR.

Campaign #04V13300018/03/2004

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Other Audi Models

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Frequently Asked Questions

What are the most common Audi S6 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2003 Audi S6 has 1 documented issue. The documented issue is: ZF 5HP24 Tiptronic Transmission Valve Body Failure. Of these, 1 is rated critical and should be addressed promptly.

Is the Audi S6 reliable?

The 2003 Audi S6 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: ZF 5HP24 Tiptronic Transmission Valve Body Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Audi S6 problems?

Repair costs for known Audi S6 issues range from $1,500 to $4,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, ZF 5HP24 Tiptronic Transmission Valve Body Failure, typically costs $1,500-$4,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2002-2004 Audi S6 ZF 5HP24 Tiptronic Transmission Valve Body Failure?

The ZF 5HP24 Tiptronic automatic transmission develops valve body issues causing harsh shifts, delayed engagement, and eventually limp mode. The electronic solenoids and valve body bore wear are the primary failure modes. Repairs typically run $1,500-$4,000. Severity: high.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.