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Skoda Yeti Transmission Error

I'm losing my mind. My 2016 Skoda Yeti with a diesel engine is throwing up some scary transmission errors. Transmission indicator light, check engine light, limp mode. The automatic transmission is shifting badly, slipping, shifting uncleanly, even making grinding noises sometimes. I scanned it and it's showing a 'Radiator oil pressure defective' error. The error memory mentions a defective cable or plug connection as a possible cause. Could this also be linked to a coolant leak or car overheating? I've not noticed any obvious coolant leak, and the cooling fan seems to be working, so I'm not sure if car overheating is the issue. I'm dreading a massive bill, especially if it's related to the oil cooler. Any ideas where to start?

4 comment(s)

That sounds rough. I had something similar happen with my old Renault Megane, though it wasn't exactly the same. My gearbox was going nuts, and it turned out to be a faulty sensor connection. Before you panic and think it's a full transmission rebuild, have you checked all the wiring and connectors going to the oil cooler? Could be as simple as a loose plug or corroded wire. Definitely worth a look before you start tearing things apart or paying someone else to.

Thanks for the quick reply. When you say sensor connection, where should I be looking? Is it near the radiator itself, or closer to the gearbox? Any tips on how to spot a dodgy connection? I'm not exactly a mechanic, but I'm willing to get my hands dirty.

On the Megane, the sensor was right on the oil cooler itself, which was mounted near the radiator. Look for anything obvious: loose connections, frayed wires, or corrosion. Give the connectors a wiggle and see if anything changes. If you're not super confident, it might be worth getting a mechanic to take a quick look. Even just paying for an hour of their time to diagnose the connections properly could save you a fortune. If the error code points to a connection issue, that's usually the first place they'll check anyway.

Got the Yeti back. It was a faulty connection to the oil cooler, like the error said. 95€ later and it's shifting smoothly. Thanks for your help and the advice about checking the connections first. Seriously saved me a lot of stress.

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