Description
A3 ABS Pump Fault Repair
A fault stored against the ABS pump is one of the most common findings when an A3’s ABS light comes on and stays on. An implausible-signal fault often sits alongside it. The ABS unit combines the hydraulic pump with its control electronics to keep the wheels from locking under heavy braking; when it faults, ABS assistance is normally lost while the conventional brakes continue to work. Have it checked soon — the light fails an MOT. Your garage removes the unit and posts it to us, and we repair that same unit.
What Goes Wrong on the A3
- ABS pump fault logged in the module
- ABS warning light that will not stay off
- Implausible-signal faults stored
- ABS assistance lost under hard braking
- Faults that clear, then return a few drives later
Could Another Fault Light It?
Yes — a failed wheel-speed sensor, a damaged connector or a low fluid level can each trigger the ABS warning, so a proper scan matters more than a guess. Send the stored codes through the repair form, or contact us, and we will give you an honest view on whether the pump module is at fault.
Why Choose Sinspeed?
✅ Lifetime warranty — every mile after the repair is covered, without limit
✅ Pump operation and wheel-speed response checked on our bench before return
✅ Original unit back in the car, so replacement-unit programming is not normally needed; refitting and bleeding are routine work for your garage
Register the A3’s ABS fault on our form and we will confirm the next step.
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