Coco2025

Parking brake and service light problems in a Renault Scenic

Hello everyone, I have a 2012 Renault Scenic with a diesel engine and 180,000 km. I've been experiencing some problems and I'd like to know if anyone has had a similar experience. The fault memory shows many entries related to overvoltage. Additionally, I have a parking brake warning asking me to check it, and the service wrench light stays on even though all the services are up to date. Even the workshop hasn't been able to turn it off. Could anyone give me some guidance on how to solve these problems? Thanks in advance!

(Translated from Spanish)

A 2012 Renault Scenic is experiencing issues with the parking brake warning and a persistent service light, despite all services being up to date. The fault memory indicates multiple overvoltage entries, which could be causing these problems. It is suggested to check the battery and alternator voltage output, as a faulty alternator regulator might be causing the overvoltage and related electrical issues.

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Start by checking the battery and alternator voltage output with a multimeter to ensure they are within the normal range. Overvoltage can often be caused by a faulty alternator regulator. If the voltage is too high, it could be causing the electrical issues you're experiencing. Let me know how it goes or if you have any further questions!

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RENAULT

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SCENIC