NinaS89

Peugeot iOn High Voltage Error

I'm experiencing issues with my 2012 Peugeot iOn (electric engine). I'm getting a high-voltage system error message. Symptoms include an error stored in memory, the engine shutting off unexpectedly, and a noticeable reduction in power. The car has 179245 km. Could this be a battery issue?

4 comment(s)

I had a similar problem with my Peugeot iOn. Is the 12V battery ok? I had a parasitic drain issue that caused similar symptoms. It might be worthwhile to have that checked out before assuming the worst.

Thanks for the quick reply. How did you identify the parasitic drain, and what component was causing it in your case? I'd like to give the workshop some pointers.

I did not identify the parasitic drain myself. The workshop diagnosed it. They told me it was causing the 12V battery to be constantly depleted, which then triggered all sorts of high-voltage errors due to undervoltage. I would definitely recommend taking it to a workshop to get it properly diagnosed.

Thanks for the advice; it was indeed a defective battery. The repair including diagnosis and parts cost 290€. All sorted now!

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