siegfriedstorm59

Latitude rain sensor fault

Hi. I've got a 2015 Renault Latitude with a gasoline engine, and I'm seeing some weird behaviour. The rain-light sensor seems faulty. There's an error stored, no auto-wiping in the rain, no auto headlight control, and the speedometer dimming doesn't work. Plus, the lights are switching on randomly. Any ideas?

A 2015 Renault Latitude experienced problems with the rain-light sensor, resulting in issues such as no automatic wipers, no automatic headlight control, and random light activation. The likely cause was determined to be bubbles forming under the gel pad on the windshield, impacting sensor functionality. The recommended solution was professional repair, which involved replacing the gel pad, effectively resolving the issues.

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4 comment(s)

Sounds familiar. I've got a Latitude too, and had similar issues with the rain detection. Is there any chance you've got bubbles forming under the gel pad on the windshield where the sensor sits? That can mess with the light refraction and cause all sorts of electrical faults. Does the rain sensor work at all, or is it completely dead?

Bubbles under the gel pad, you say? I'll have to take a look. Where exactly should I be looking? And if that's the case, is it a DIY fix, or am I looking at a trip to the shop? Is a sensor calibration needed?

Yes, check the area directly behind the rear-view mirror on the outside of the windshield. You will see some kind of bubbles there. While some people attempt DIY fixes, because of the error stored, I'd advise against it. The issue requires specialist tools and a good knowledge of electrical systems. Also, keep in mind that a malfunctioning sensor also affects the speedometer dimming. It will probably be cheaper and more reliable to get it professionally checked.

Thanks for the insight! It turned out to be exactly as you described: bubbles under the gel pad. Took it to a local shop, and they replaced the gel pad. Cost me 62€, and everything's working perfectly now. Much appreciated!

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RENAULT

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LATITUDE