Audi A4 ABS Warning — Reluctor Ring Damage
Cracked or missing teeth on the wheel hub reluctor ring cause intermittent ABS warnings on A4 B6/B7. The ring can crack from corrosion or physical impact. Hub assembly replacement costs £150-280 per corner.
Repair / Solution
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⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Audi A4 2001 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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