ABS Fault Light comes on

2008 Renault Clio 1.2 manual petrol
Car: Renault Clio
Year: 2008
Variant: 1.2 manual petrol
Categories: Electrics, ECU, Warnings & Lights
Everything fine until speedo hits 50mph, then ABS, Brake Pad, Spanner and Stop lights come on. Turn ignition off and back on, all OK until 50mph reached again. Garage have run diagnostics but no faults are indicated. Brakes appear fine, not touching brake pedal when lights come on.
Problem added: Jun 15, 2016 (7 years ago)
Good thing is you can re create the fault.
Bad news is now you have to find a diagnostic specialist to monitor all the sensors as you hit 50MPH to find which sensor isn't reading right.
ABS sensors are tiny AC generators so the signals can be checked with a 'scope.
In effect each wheel has the ABS sensor which acts as a speedometer for that wheel.
Answered Jun 17, 2016 (7 years ago)

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