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BranderPete

Difficulty starting and flickering headlights on a 2024 Renault Captur Diesel

Hi guys, my 2024 Renault Captur Diesel with 140,234km on the clock is currently acting up. It starts badly in the morning, the battery seems weak and the headlights are flickering. A warning light is also still illuminated on the speedometer. I suspect a message error. Has anyone had any experience with similar problems and can give me a tip on what I can do before I have to go back to the mechanic? Unfortunately, I didn't have a good experience last time. Thanks and take it easy!

(Translated from German)

Summary of the thread

A 2024 Renault Captur Diesel is experiencing difficulty starting, a weak battery, flickering headlights, and a persistent warning light on the speedometer. These issues may be linked to a defective control unit sending incorrect signals to the BUS system, as suggested by a similar case with a Renault Scenic Diesel. The recommended solution is to have the control unit checked and potentially replaced at a garage to resolve the problem.

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4 comment(s)

SiWe123

Hey, I had a similar problem with my 2021 Renault Scenic Diesel a few months ago. In my case, the control unit was defective and was sending incorrect signals to the BUS system. My headlights were also flickering and the engine wasn't starting well. I went to the garage and they had to replace the control unit. They also said that the message error was actually due to the control unit. Make sure you get it checked at the garage, it's no small matter if there's a fault in the BUS system. It was pretty serious in my case. Hope this helps you, cheer up!

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BranderPete (community.author)

Hey, thanks for your insight! Sounds like I should get it checked out too. Can you remember what you paid for the ECU repair back then? And has anything else come up since then or is your Renault Scenic Diesel still running perfectly? Greetings and thanks again for your help!

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SiWe123

Hey, sure, no problem! I spent a total of €1000 on repairing the control unit, including troubleshooting and all the other bits and pieces. Since then, my Renault Scenic Diesel has been running like a charm. The message error has been completely rectified and I've had no more problems. Keep your fingers crossed that everything turns out well for you too! Take care and keep us up to date!

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BranderPete (community.author)

Hey, wow, that's not exactly a small amount, but more important than the money is of course that the car runs. I'm really relieved to hear that your Renault Scenic Diesel has been running perfectly since the repair. That gives me hope that mine will soon be fit again. I will definitely go to the garage and have it checked. Keep your fingers crossed that I have as much luck as you! Thanks again for the tips and see you next time!

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RENAULT

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CAPTUR