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barbara_hahn1

Matrix Gearbox Issues

Hi, I have a 2008 Hyundai Matrix diesel and I'm having trouble with the gearbox. The paddle shifters don't work, the gears slip, and it makes a grinding noise when shifting. It's also slow to respond and sometimes goes into emergency mode. The error memory also has a fault stored. Anyone seen this before?

Summary of the thread

A 2008 Hyundai Matrix diesel is experiencing gearbox issues, including non-functional paddle shifters, gear slipping, grinding noises, slow response, and emergency mode activation. The problem is linked to a fault stored in the error memory and an illuminated engine light. The likely cause is a defective transmission control unit (TCU), which is a known issue for this model. The recommended solution is to have the TCU checked and repaired at a workshop.

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4 comment(s)

benjamin_braun33

Sounds familiar! I had similar issues with my Matrix. Mine did all sorts of crazy things with the automatic transmission. Slipping gears, weird noises... the whole shebang. Any lights on the dash?

barbara_hahn1 (community.author)

Yeah, the engine light is on. Did you ever figure out what it was?

benjamin_braun33

Definitely! Turned out to be the transmission control unit. Apparently, they're prone to failing. Honestly, just get it checked at a workshop. It'll save you a lot of headaches.

barbara_hahn1 (community.author)

Thanks for the tip! Took it to the shop and you were spot on, TCU is defective. Repair will be around 1000€. Thanks again!

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HYUNDAI

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MATRIX