- Vehicles
- Cars
Electric engine fault
Renault Megane E-Tech Electric engine fault: stop the car

Risk level
Critical
Stop using the equipment and contact a professional.
Urgency
Immediate
Quick answer
On the electric Renault Megane E-Tech, 'Electric engine fault' indicates the vehicle is losing power. It is a warning message with the STOP light: stop as soon as traffic allows, switch off, do not restart and call an approved dealer.
Safety first
What to do now
- Stop as soon as traffic allows
Who: you, driving. How: signal, leave traffic and stop at the first safe place. Result that matters: being stopped safely. If you are on the hard shoulder: Renault reminds you to warn other road users with a warning triangle or other devices required locally. If you are off the road: switch off and do not restart. Evidence to keep: location and time of the stop.
- Exact message text
Who: you, once stopped. How: note whether the message is 'Electric engine fault' or 'Electrical fault' and whether others appear too. Result that matters: giving assistance the exact information. If it says 'Electric engine fault': power loss; do not try to continue. If it says 'Electrical fault': electric system fault; do not restart either. Evidence to keep: photo of the display with the message.
- Call assistance instead of restarting
Who: you. How: contact an approved dealer or roadside assistance and ask for transport to the workshop. Result that matters: the car reaching the workshop without being driven again. If you are told to try restarting: remember the manual says not to restart with this message. If a tow is arranged: hand the photo of the message to the workshop. Evidence to keep: assistance case number.
What you must never do
- Do not attempt this professional task: Stored codes behind the Electric engine fault message
- Do not attempt this professional task: Battery state-of-health report for the Electric engine fault message
- Do not attempt this professional task: High-voltage isolation test after the Electric engine fault message
What a technician must be able to justify
Technician visit
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Stored codes behind the Electric engine fault message
What they doAt a workshop with EV-trained technicians, they connect a Renault-capable diagnostic tool and read the stored and pending codes from the electric motor, its power electronics and the traction battery, with the time and conditions in which the Electric engine fault message was logged, before clearing anything.
They must show youthe code list with status, read while the Electric engine fault message is active or freshly logged.
In writingthe codes read, the system they point to and which test confirms the fault before any part is replaced for the Electric engine fault message.
Battery state-of-health report for the Electric engine fault message
What they doThe workshop pulls the high-voltage battery report with Renault's tool: estimated state of health (SOH), module voltages and the temperatures logged when the Electric engine fault message appeared.
They must show youthe battery state-of-health report with the date it was read.
In writingthe state of health read, whether any module is outside what Renault accepts and whether the proposed repair falls under the battery warranty.
High-voltage isolation test after the Electric engine fault message
What they doA technician qualified for high voltage, with the car unplugged and following Renault's safety procedure, measures the isolation of the high-voltage circuit with the manufacturer's equipment and inspects orange cables and connectors.
They must show youthe measured isolation value against Renault's specification and the condition of the cables and connectors checked.
In writingthe isolation test result, who did it with high-voltage training and whether it explains the Electric engine fault message.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- Vehicles
- Brand
- Renault
- Product type
- Cars
Known code variants
- Avería del motor eléctrico
- Electric engine fault
- Electrical fault
- Fallo eléctrico
- Megane E-Tech avería motor eléctrico
- Megane E-Tech electric engine fault
- pérdida de potencia Renault eléctrico
- Renault avería motor eléctrico STOP
- Renault electric engine fault STOP
- Renault EV losing power
What it means
Renault lists 'Electric engine fault' among the warning messages: they appear with the STOP light and, for your safety, require you to stop as soon as traffic allows, switch off and not restart. It indicates the vehicle is losing power. 'Electrical fault' is in the same group and indicates a fault in the electric system. Neither identifies the failed part: it may be the motor, its electronics or the supply from the battery, which only a diagnosis determines.
Warnings and stop conditions
- Higheditorial warning
On an electric Renault, orange cables, the traction battery and their connectors carry high voltage: do not open, touch or disconnect them; only a workshop trained in high voltage should work on them.
Evidence: Renault Megane E-Tech electric user manual: warning messages
- Criticalsource verified
With the STOP light and this message, Renault requires you to stop as soon as traffic allows, switch off and not restart.
Evidence: Renault Megane E-Tech electric user manual: warning messages
Sources and technical references
- 1
Renault Megane E-Tech electric user manual: warning messages
Renault Group · manual
- 2
Renault Megane E-Tech electric manual de usuario: mensajes de alerta
Renault Group · manual
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