How’s it going BDT Squad?
We are finally posting the dreaded mechatronic unit replacement video! This is probably one of the most common failures on the B8 S4, and there is zero information on it. So, since our mech unit was acting up, we thought it’d be helpful to document the process. We start the video with a quick diagnosis, and then we jump right into the install. Now, this is not the simplest of tasks and we had more than our fair share of headaches during this install, but everything worked itself out thankfully!
We hope this will help you if/when this happens to you!
As always feel free to leave any questions down below, and until next time, Stay TUNED!
🏁BDT: Audi B8.5 S4 – DSG Adaptation:
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I have an Audi A5 2011 sportback and it’s jerks/pullsback at 5mph when I let go the gas Took it to the mechanic and there’s no code for the transmission. This only happens on 1&2 gear the rest of gears moves normal no slipping. Any answers?
Hi .. I have Audi 7 2013.. transmission working absolutely fine just I’m getting error Gear is overheating change driving style .. and fault code is P1765 hydraulic sensor 2 adaptation limit reached .. pls advise what could be the actual problem??
Can you Do it on Jack stands?
I have a stage 2 tcu tune and mine is starting to do this high up drop gears and ban when slowing jumping forward
My s4 has these codes can you help me out please a shop near me charged me $300 to tell me the didn’t know what was wrong with it P1624 P2846 P0726
What year would you recommend an s4 thank you , been looking at b8 and b8.5 come across this common problem on a sales add for one and thought I’d do some research and come across your videos and it’s really put me off them
My 2013 s4 is immobilizing and throwing a transmission function. After I let it sit for a couple minutes, I can drive again, I'm pretty sure this is why previous owner traded it in. My question is what are odds this fixes my solution and how long is it gonna hold up? Lol you've probably got this question a ton. I'm wondering if the drive selector has anything to do with this.
How long did it actually take to do this?
Great job!
Did the car slam or clunk into reverse and drive? Did it have problems shifting? In the process of replacing my mech unit rn. Alsobif I swap my tcu onto new mech will it need to get recoded?
By any chance do you have the part number for those plastic seals?
Is that neutral setting for the gear selectors before mech goes back in?
Hey man , had my gearbox showing the usual malfunction you may continue driving … took it to a specialized trans shop and they rebuilt the DSG with a new cluth, TCM and they said they replaced the solenoids on the mech unit . However, the car again starting kind knocking once you lift ur foot at 2nd gear then accelerate again ( low speed ) as well as knock when when decelerating on 2nd to 1st … a small nodge if get what i mean …what could it be … what are the things to replace more than the ones they replaced
Great job!!!
Why did you need to take it to Audi to code the TCM?
Great video thanks
Great video thx brother