norbertlion86

Serena Bypass Valve Error

I've got a 2022 Nissan Serena hybrid with about 139000 km on the clock. Recently, I've been getting an error message and the engine seems to be overheating. I took it to a local garage, and they said the error memory shows a bypass valve malfunction. They reckon it's a consequential error from something else. Any ideas what this could be? Before this, I didn't notice any power loss or coolant leak.

A 2022 Nissan Serena hybrid owner experienced an error message and engine overheating, with a local garage identifying a bypass valve malfunction. The issue was suspected to be a secondary problem caused by another fault. After further investigation at a Nissan dealership, the root cause was identified as a faulty sensor, which was replaced under warranty, resolving the bypass valve error.

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4 comment(s)

I drive a Serena too, and I had a similar issue last year. Does the temperature gauge go up quickly? Has your fuel efficiency changed?

The temperature gauge does climb faster than usual, yes. Fuel efficiency also seems a bit worse. What was it in your case, and what did you do about it?

Yep, sounds like the same thing. In my case, the bypass valve error was triggered by another issue. I'd suggest getting a proper diagnostic check at a workshop. They should be able to pinpoint the main culprit.

Thanks for the info! I took it to a Nissan place as you suggested, and it turned out to be a faulty sensor causing all the problems. They replaced it, and the bypass valve error is gone. Cost me nothing in the end as it was still under warranty!

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NISSAN

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SERENA