A car with skid marks: flashing means the system is working, steady means a fault or that it has been switched off.
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Flashing: the system is actively controlling wheelspin or a skid. Steady: the system is switched off or has a fault.
What it looks like
A car with wavy skid lines, sometimes with OFF. Colour: Amber.
Common causes
- Driving on slippery roads (flashing is normal)
- System switched off with a button
- Wheel speed sensor fault (often alongside the ABS light)
What to do
- If flashing, ease off the accelerator and drive more gently.
- If steady, check you have not turned it off.
- If it stays on after restarting, have it checked.
Can I keep driving?
Yes, with care.
MOT
An ESC malfunction warning is an MOT fail.
Symbols vary slightly between makes. Always check your owner's handbook. General guidance only; if in doubt, call your breakdown provider.
Sources and further reading
Facts checked on 20 October 2026. Spotted an error? Tell us and we will correct it.