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achimice72

Kangoo AC Undervoltage

Help! My 2013 Renault Kangoo (gasoline engine) is driving me nuts. The A/C just quit! No cold air, and the error memory says something about undervoltage. Anyone seen this before?

Summary of the thread

A 2013 Renault Kangoo experienced an A/C failure with an error indicating undervoltage. Possible causes discussed included issues with the pressure switch, relay switch, or wiring harness. The suggested solution was to have the vehicle inspected by a professional. Ultimately, a workshop diagnosed and fixed a bad connection causing the undervoltage, restoring the A/C functionality.

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4 comment(s)

josephlange9

Sounds familiar. Had a similar A/C shut-off issue with my old Opel Astra. Air con stopped working, fault code pointed to low voltage. Have you checked the pressure switch or the relay switch controlling the A/C compressor? Also, have you checked the wiring harness?

achimice72 (community.author)

Pressure switch? Relay switch? Wiring harness? Where do I even find those things? And how would I check them?

josephlange9

Yeah, it's a pain. Honestly, tracing electrical issues is a real hassle without the right tools and knowledge. Could be a faulty pressure sensor too. I ended up taking my Astra to a workshop. They diagnosed a bad connection and a slightly leaky A/C line. Saved me a lot of headache. I think that you should also go to a workshop.

achimice72 (community.author)

You were right. Took it to a workshop and turns out it was a bad connection causing undervoltage to the A/C compressor. Cost me 240€ to fix, but at least I have cold air again! Thanks for the advice!

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RENAULT

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KANGOO