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noah_held2

Kangoo engine control unit communication error

Alright, I'm pulling my hair out here. My 2013 Renault Kangoo diesel is throwing a fit. I'm getting an engine control unit communication error. The check engine light is on, and the engine's overheating like crazy. I even found coolant under the van after parking, looks like excessive pressure. I'm leaning towards a dodgy cable or plug connection but it's driving me nuts. It has 180718 km. Any ideas?

Summary of the thread

A 2013 Renault Kangoo diesel is experiencing an engine control unit communication error, leading to a check engine light and engine overheating. The issue is suspected to be due to a faulty cable or plug connection, as indicated by coolant leakage and excessive pressure. The problem is intermittent, and a similar case was resolved by diagnosing a communication fault through the data link connector at a workshop. The solution involved confirming and fixing a defective connection.

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4 comment(s)

emanuel_eagle78

Sounds rough. I had something similar with my Kangoo. Was it consistently happening, or just intermittently?

noah_held2 (community.author)

It's pretty intermittent, yeah. Sometimes it's fine for a day or two, then bam, it's back. When it happens, the overheating is almost immediate. Any idea what the damage was?

emanuel_eagle78

Yeah, mine was intermittent too. It ended up being a fault that the workshop was able to easily diagnose with the data link connector, the control unit had a communication fault. I ended up just taking it to the shop to sort out.

noah_held2 (community.author)

Cheers! That's helpful. Took it to the workshop who confirmed a defective connection. They charged me 95€, all in. Thanks for the help!

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RENAULT

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KANGOO