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Celebrating 20 years · A gift to the community

Free troubleshooting help, built on 20 years of real repairs.

Enter your trouble codes and symptoms. Our assistant compares them with thousands of past Audi, VW and Porsche repairs from the JHM shop, and suggests where to start looking: things worth checking, simple tests, and what fixed similar cars.

Start troubleshooting How it works

Community AI budget · from JHM to you

Resets October 1

99% left this month, about 273 more questions. JHM covers the AI cost of every question. Here's what's left for the community.

Repair cases in the database

Updated 9/23/26

20

years of shop history

3

makes: Audi, VW, Porsche

Top 10 vehicle platforms by documented JHM cases

  1. 1 B8/B8.5 · C7 Audi S4 · S5 · A6 · A7 3.0T V6 · 2010–2017 616 cases
  2. 2 B8/B8.5 Audi A4 · A5 · allroad · Q5 2.0T · 2008–2017 557 cases
  3. 3 B6/B7 · C5 Audi S4 · A6 · S6 · allroad 4.2 V8 · 2000–2009 416 cases
  4. 4 B7 Audi A4 2.0T · 2005.5–2009 377 cases
  5. 5 B5 · C5 Audi S4 · A6 · allroad 2.7T V6 · 1997–2005 300 cases
  6. 6 B7 Audi RS4 4.2 V8 FSI · 2006–2009 256 cases
  7. 7 MK VI VW GTI · Jetta/GLI · Golf 2.0T · 2010–2018 225 cases
  8. 8 B8 Audi S5 4.2 V8 · 2008–2012 220 cases
  9. 9 C7/C7.5 · D4/D4.5 Audi S6 · S7 · RS7 · A8 · S8 4.0T V8 · 2013–2018 206 cases
  10. 10 B8/B8.5 Audi RS5 4.2 V8 FSI · 2011–2015 173 cases
Show the top 50
  1. 11 MK VII VW GTI · Golf 2.0T · 2015–2021 162 cases
  2. 12 4L Audi Q7 3.0T V6 · 2007–2015 147 cases
  3. 13 B6 Audi A4 3.0 V6 / 1.8T · 2002–2005 127 cases
  4. 14 MK V VW GTI · Golf · Jetta · Eos 2.0T · 2005–2016 123 cases
  5. 15 C6 Audi A6 3.0T V6 / 4.2 V8 · 2005.5–2011 121 cases
  6. 16 8P Audi A3 2.0T · 2006–2013 105 cases
  7. 17 B8.5 Audi Q5 · SQ5 3.0T V6 · 2013–2017 94 cases
  8. 18 8V Audi S3 2.0T · 2015–present 90 cases
  9. 19 MK VI VW Jetta 2.0 / 2.5 / 1.8T / TDI · 2011–2018 85 cases
  10. 20 C7/C7.5 Audi A6 2.0T · 2012–2018 75 cases
  11. 21 8V Audi A3 2.0T / 1.8T · 2015–present 69 cases
  12. 22 B9 · C8 Audi S4 · S5 · SQ5 · A6 3.0T V6 · 2018–present 68 cases
  13. 23 C7.5 · 4M Audi A6 · A7 · Q7 3.0T V6 · 2016–2019 63 cases
  14. 24 MK VII VW Golf R 2.0T · 2015–2019 63 cases
  15. 25 B5 Audi A4 1.8T / 2.8 V6 · 1996–2001 54 cases
  16. 26 B6 VW CC 2.0T · 2009–present 50 cases
  17. 27 B9 Audi A4 2.0T · 2017–present 47 cases
  18. 28 8V Audi RS3 2.5T · 2017–present 41 cases
  19. 29 MK IV VW Jetta 2.0 / 1.9T · 1999–2005 39 cases
  20. 30 B9 Audi RS5 2.9T · 2018–present 37 cases
  21. 31 8N Audi TT 2000–2006 33 cases
  22. 32 MK IV VW GTI 2.8 VR6 · 1999–2006 32 cases
  23. 33 B8 Audi Q5 3.2 V6 · 2009–2012 31 cases
  24. 34 Gen 1 Audi R8 4.2 V8 / 5.2 V10 · 2008–2015 30 cases
  25. 35 B7 VW Passat 1.8T · 2012–present 29 cases
  26. 36 8J Audi TT 2.0T · 2008–2015 28 cases
  27. 37 MK IV VW Golf 1.9T · 1999–2006 27 cases
  28. 38 D3 Audi A8 4.2 V8 · 2004–2010 27 cases
  29. 39 MK VI VW Golf R 2.0T · 2012–2013 26 cases
  30. 40 95B.1 Porsche Macan S 3.0T · 2015–2018 26 cases
  31. 41 B6 VW Passat 2.0T · 2006–2010 24 cases
  32. 42 B5 VW Passat 2.8 V6 · 1998–2005 24 cases
  33. 43 MK VII VW Golf 1.8T · 2015–2021 24 cases
  34. 44 B9 Audi Q5 2.0T · 2018–present 22 cases
  35. 45 C6 Audi S6 5.2 V10 · 2006–2011 20 cases
  36. 46 MK I VW Beetle 1998–2010 18 cases
  37. 47 MK II VW Beetle 2.0T · 2012–present 16 cases
  38. 48 D4/D4.5 Audi A8 4.0T V8 / 3.0T V6 · 2011–2017 14 cases
  39. 49 C5 Audi A6 2.8 / 3.0 V6 · 1998–2004 14 cases
  40. 50 Gen 2 Audi R8 2017–present 14 cases

A case is a completed shop repair or a documented tech-support case, as of September 2026. Cars that are nearly identical to troubleshoot are grouped together.

Invitation only, for now

Early access

We're opening the Troubleshooting Assistant to select JHM customers first. It's free for invited members. Got an invite? Log in with the email you use at JHM. There are no passwords; we email you a link. Not sure if you're in? Just try signing in, and we'll tell you right away.

  • 1 troubleshooting session a day

    Each includes up to 10 follow-up questions.

  • Earn extra credits

    Share a documented repair: the final parts invoice, before-and-after code scans (the after scan must show readiness has run), and a write-up of the symptoms, what you tested and what fixed it. Get +1 credit, up to 5 saved.

  • Real shop data

    Scrubbed repair history, with personal details removed.

We're paying the AI costs to build this for the community, so access is opening in stages. We add members every week, and we're listening to what you want next.

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How it works

  1. 1

    Tell us the car and the problem

    Model, year, engine and transmission, your trouble codes, and what the car is doing.

  2. 2

    We look for similar past repairs

    Your codes and symptoms are compared with JHM shop repairs on cars with the same engine and transmission.

  3. 3

    Get a list of things to check

    Possible causes to look into, simple tests first, and the past repairs behind each suggestion. You make the call.