Harsh transmission downshift when coming to a stop

Andrew Diagnostician Grand Rapids, Michigan Posted   Latest  
2012 Audi A5 Quattro S Line 3.0L 7-spd (S Tronic)
Harsh Transmission Engagement

The vehicle is actually a 2012 S4 but the model is not listed same engine transmission package nonetheless. The symptom is when you come to a stop The vehicle will downshift hard and it feels like it's somebody hit you from the rear end. I scan the vehicle and found no trouble codes and engine or the transmission. I'm not 100% sure of what pids to look at or what I'm looking for at this point any suggestions would be appreciated Thanks.

Patty Owner
Cypress, Texas
Patty Default

Its probably in the s tronics. Or the low side of the dual clutch is going bad.

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David Mechanic
Corona, California
David Default

Have you checked the drive shaft bushing ?

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Andrew Diagnostician
Grand Rapids, Michigan
Andrew Default

I have not checked that, But it may be worth checking.

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Victor Owner/Technician
Doral, Florida
Victor Default

Check for a faulty brake light switch.

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Kenneth Owner/Technician
Searcy, Arkansas
Kenneth Default

There is a TSB that MIGHT apply. Circuit board problems and an available flash. Technical Service Bulletin …

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Andrew Diagnostician
Grand Rapids, Michigan
Andrew Resolution

Hey guys, Thank you for the insight and thoughts on this one. We did a bit more research on this one before pulling the trigger. I first started with an Adaptation reset and test drive. This took a better part of an hour to do so if your going to do it be prepare for a LONG test drive along with watching the scanner to verify operational changes in the adaptation process. That being said that…

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