wolfgangbraun1

DS3 battery drain

Hi, I'm having an issue with my 2012 Citroen DS3 gasoline. It's got almost 190000 km on the clock. The battery keeps going flat. I get an error message, the lights are weak and flicker, and the car struggles to start. I've checked for obvious things like lights left on, but nothing. The error memory also stores a discharged battery. Could it be the battery itself?

A 2012 Citroen DS3 owner experienced battery drain issues, with symptoms including error messages, weak flickering lights, and starting difficulties. After ruling out obvious causes like lights left on, a suggestion was made to check the battery sensor, which can cause parasitic drain if defective. The owner confirmed the issue was resolved by replacing the faulty battery sensor at a workshop.

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4 comment(s)

Sounds familiar. I had similar symptoms with my DS3. Check the battery sensor. Is the battery draining even when the car is off?

That's interesting! Where exactly is the battery sensor located, and how would I test if it's defective? Could that really cause such a heavy drain? I did measure the battery terminals and they seem fine...

It's usually attached to the negative terminal of the battery. Honestly, I wouldn't try testing it yourself unless you know what you're doing. A defective sensor can definitely cause a parasitic drain. I'd recommend getting it checked at a workshop to confirm.

Thanks for the advice! I took it to a workshop, and you were spot on - it was indeed the battery sensor! Cost me 315€ to get it replaced. Problem solved!

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CITROEN

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DS3