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How to Fix the "Check Electrical System" Error on a Renault Zoe

Model: Renault Zoe MK 1 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
Part: Warning light – error code

Video tutorial

The Renault Zoe tends to alarm owners with messages like "check electrical system". The most likely cause is a flat or faulty 12V auxiliary battery, especially after periods of inactivity or in cold weather. The solution is to recharge or replace the battery.

It could also be due to a rodent nest: rodents love electric cars, where there is no oil or fumes. They can chew through wires and hoses, causing this error.

On older Zoes, a control unit records the water pump's RPM: this is not a fault but an "ageing counter" that can be reset with a compatible Renault EV diagnostic scanner.


Posted on 2 June 2026 by ScegliAuto


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by ScegliAuto

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