A sound that changes when the accelerator is released gives a workshop useful information about operating load. It does not automatically establish an electrical motor fault: tyres, bearings, reduction gearing and other parts can also produce noises that change during driving.
Describe the sound in ordinary terms
State whether it is a whine, rumble, click or vibration, and whether it changes with road speed or only with the transition between driving and coasting. Mention recent tyre, wheel, suspension or underbody work. A passenger-made recording may help, but the driver should not handle recording equipment.
Keep warning messages separate from the noise description. If the sound is sudden, severe or accompanied by unsafe handling, stop and seek advice. An enquiry should ask for whole-vehicle assessment before committing to inverter or motor repair. Explain whether the noise exists from the first movement or begins only after a longer journey.
Related help
Browse all fault guides or use the vehicle module finder to prepare your enquiry. Include the vehicle, symptoms, complete fault codes and any previous test results. Assessment scope and compatibility must be confirmed before booking or sending a unit.