elizabethsilver7

V90 Gearbox Issues

I've got a 2019 Volvo V90 hybrid with about 21k km. Recently, I've been experiencing some unsettling gearbox issues. The paddle shifters are completely unresponsive, and the gear changes feel really rough, almost like the gearbox is slipping. Sometimes there's even a grinding noise. Has anyone else had similar problems? I've also noticed the gearbox seems to be in some kind of emergency mode, and the error memory isn't empty either. Could it be the transmission control unit?

A 2019 Volvo V90 hybrid with 21,000 km is experiencing gearbox issues, including unresponsive paddle shifters, rough gear changes, grinding noises, and emergency mode activation. The problem is likely linked to a faulty transmission control unit, as indicated by error codes. After replacing the transmission control unit, the issues were resolved, confirming the initial diagnosis.

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4 comment(s)

Sounds like it could well be the transmission control unit. The symptoms you describe - unresponsive paddles, slipping, grinding, emergency mode and a logged error - all point in that direction. Have you had the error codes read? What codes were stored?

Thanks for the quick reply! Yes, I had the codes read. It was something about a faulty signal from the transmission control unit. Is there a chance it could be something else, like a software glitch perhaps? Or is it almost certainly a defective control unit?

While a software glitch is possible, the symptoms combined with the specific error code strongly suggest a defective control unit. Unfortunately, these units are known to fail sometimes. Based on your description, I'd say it's almost certainly the control unit. Prepare for around 1000€ repair costs at your local workshop.

Thanks a lot for your help! I took it to the workshop, and you were spot on - it was indeed the transmission control unit. Replaced it, and everything is running smoothly again. Appreciate the insight!

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VOLVO

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V90