What are the most likely causes of an ABS warning light?

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What are the most likely causes of an ABS warning light?

The ABS warning light and message has started appearing on my 2006 Volvo XC90 What are the most likely causes and how can I avoid the garage simply replacing the whole system, which I expect would be extremely costly?

Asked on 1 August 2019 by David George

Answered by Honest John

It might be a dirty or rusty reluctor ring and/or wheel sensor. Or it might be due to failure of the ABS/ESP module (the most common failure is the brake pressure sensor inside it). A new ABS/ESP module is about £2000, but it might be possible to have the existing one reconditioned by www.ecutesting.com for around £400 + removal, carriage and refitting.

Tags: engine warning light abs esp

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