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matteoeagle6

Kadjar Error Messages and System Failures

I'm experiencing a peculiar issue with my 2018 Renault Kadjar diesel. At 178157 km, it's displaying sporadic error messages and illuminated error lamps while driving. I've also seen repeated failures in the audio and navigation functions, with temporary shutdowns or unresponsive control units. The error memory has numerous faults stored. Any insight?

Summary of the thread

A 2018 Renault Kadjar diesel at 178,157 km is experiencing sporadic error messages, illuminated error lamps, and failures in audio and navigation functions, particularly during cold or wet weather. The issue is suspected to be related to a defective cable connection to the CAN bus system, possibly due to a loose connector or corroded pin. A trusted workshop confirmed the defective connection, leading to a swift and cost-effective repair.

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4 comment(s)

emily_ice7

Sounds like a CAN bus issue. Has the check engine light come on at all? Does it happen more when it's cold/wet? Could be a dodgy connection somewhere grounding things out. Those Kadjars can get a bit temperamental with their electrics.

matteoeagle6 (community.author)

The check engine light does illuminate intermittently with the other error lamps. The errors seem to occur more frequently during cold or wet weather. Any further clarification on the 'dodgy connection'?

emily_ice7

Right, the check engine light and the weather sensitivity pretty much confirm my suspicions. It is very likely a defective cable connection to the BUS system. The error memory isn't lying. I'd get it checked pronto at a reliable workshop. Shouldn't be catastrophic; I reckon it'll probably be a loose connector or corroded pin... but best to get it sorted before more modules start throwing tantrums.

matteoeagle6 (community.author)

Following your advice, a trusted workshop verified a defective cable connection to the BUS system. The repair, including diagnostics and labor, cost 155€. Your insights facilitated a swift and cost-effective resolution.

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RENAULT

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KADJAR