dieterhunter29

Kadjar battery draining

Hey, I'm having a really frustrating issue with my 2016 Renault Kadjar (gasoline engine). My battery keeps draining like crazy! I'm getting an error message in the speedometer, the lights are weak and flickering, and the engine struggles to start. I checked the error memory and there's definitely something stored there. I even tried charging the battery, but it still goes flat pretty quickly. Has anyone experienced something similar?

4 comment(s)

I had similar issues with my Kadjar. Check the battery sensor and the battery terminals. Are they clean and properly connected? Also, have you checked the battery's charging voltage while the engine is running?

Thanks for the quick reply! The terminals looked okay at first glance, but I'll give them a proper cleaning and check the connections again. How did you figure out it was the battery sensor? Was it throwing a specific code, or did you just stumble upon it?

In my case, the error code pointed to a battery issue, but the battery itself tested fine. The workshop suggested the battery sensor, and that fixed it. Given your symptoms and error log, it might be worth investigating further. A defective battery sensor can cause all sorts of weird electrical problems and lead to a heavily discharged battery.

Thanks a lot! Based on your experience, I took it to a workshop, and it turned out to be a defective battery sensor indeed! They replaced it, and the problem seems to be solved now. The repair cost me 315€. Appreciate the help!

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