Arkana radar sensor failure

I'm having trouble with my 2022 Renault Arkana hybrid. It's done nearly 200k km and the radar sensor has failed. An error message pops up, the error's logged, and now various systems are failing. The warning light is on in the speedometer too. Has anyone else seen this before? I suspect a dirty sensor, but haven't had the chance to properly check it yet.

4 comment(s)

I had something similar with my Arkana. I noticed the collision avoidance system was acting up. Did you check the front of the car for any obstructions? It could be something as simple as mud or snow blocking the sensor.

Thanks for the quick reply! I had a quick look for anything obvious, but nothing stood out. Was your issue exactly the same – error message and system failures?

Yes, pretty much the same symptoms. I'd suggest taking it to a workshop to get the sensor properly checked. They have the diagnostic tools to pinpoint the exact problem and could save you a lot of trouble.

I cleaned the sensor and it’s sorted. It was just road grime. It cost me 45€ for the cleaning and recalibration. Thanks for pointing me in the right direction!

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