noahmiller10
Skoda Superb Transmission Issues
Summary of the thread
A 2023 Skoda Superb owner experienced transmission issues, including a check engine light, transmission indicator, rough shifting, and grinding noises. Diagnostics suggested a defective automatic transmission torque converter lock-up clutch. Another individual confirmed similar symptoms and advised against further driving to prevent additional damage. The solution involved replacing the torque converter and refreshing the transmission fluid, resolving the issue.
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4 comment(s)
noahmiller10 (community.author)
An engine surge...yes, now that you mention it, I did notice something like that, especially around 80-100 km/h. So, your issue was definitely the torque converter then? Did you get any error codes read out? I'm seeing something about 'transmission converter performance' in my diagnostic tool.
ida_schmid6
Yep, that 'transmission converter performance' code is a smoking gun. Mine was the torque converter lock-up clutch for sure. I'd advise against driving it much further; you risk doing more damage to the transmission. Get it to a reputable workshop. They can confirm the converter failure and get it swapped out. It's not a cheap fix, but necessary to avoid catastrophic transmission failure.
noahmiller10 (community.author)
Alright, appreciate the insight! I got it sorted at a certified workshop. Turns out, it was indeed the torque converter on its last legs. New converter, fresh transmission fluid, and the bill came to 2120€. Ouch. But she's running smooth again. Thanks for confirming my suspicions!
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SKODA
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SUPERB
ida_schmid6
Sounds familiar. I had similar symptoms with my Superb. Check engine light, transmission light, and the shifting felt like it was struggling. Did you notice any engine surge, almost like a misfire, at certain speeds? It could very well be the torque converter lock-up clutch. The lock-up clutch is meant to create a 1:1 ratio between the engine and transmission for efficiency, but when it fails, you get those symptoms.