ABS Pump Problems & Common Fault Symptoms

The ABS pump is part of the Antilock Braking System (ABS). The pump provides pressure to the brakes. After the ABS ECU has detected wheel slip it signals for the valves to open to release the brake, the pump restores braking pressure once the valve closes. It is an integral part of the system and is controlled by the ECU.

Failing ABS pumps can have different symptoms. Generally if you notice changes in the response of the braking pedal there could be an issue with the pump.
4 Symptoms of ABS Pump Problems
The Latest Owner Problems

We have 20 owner submitted problems mentioning the ABS Pump - see more problems .

7
responses
Starting problems

takes 4 or 5 attempts to start once started loud knocking sound

2011 Ford S-Max 2.0tdci
Posted: Jan 7, 2021
4
responses
No communication with abs/esp unit

Since last posting multiple garages have tried to solve the problem, end result is abs/esp unit cannot communicate. All ...

2007 Peugeot 207 Gti
Posted: Jan 7, 2021
12
responses
Electrical problems

yesterday the airbag light turned on, and the heater fan will not start, the headlights will not switch to full and I ca...

2009 Ford Mondeo 2.0TDI
Posted: Nov 24, 2020
3
responses
No dashboard indication and central locking not working

Central locking not working on the remote . No dashboard information at all and radio stays on when ignition is turned o...

2009 Ford Mondeo 1.6
Posted: Nov 11, 2020
1
response
Abs light stays on

abs light stays on no other been told its ecu unit any thing else I can try first as told these can cost me up to 500.00...

1998 Renault Espace 2.5 auto
Posted: Mar 30, 2015
1
response
ABS AND SERV LIGHT ON ALL THE TIME

The ABS and Serv light will not go out, so far the mechanic has checked all the ABS sensors and reluctor rings and no fa...

2004 Renault Clio mk2 1.2 8v
Posted: Dec 19, 2014
1
response
Traction ABS and hand break warning lights

All lights to do with traction and breaking remain on the whole time ever since I pulled a caravan last week. Anyone ha...

2003 Mazda Premacy
Posted: Jul 26, 2014
5
responses
Breaks go to the floor sometimes when driving

I got a mgzr 1.8 and changed the break pads and bleed then, the breaks work but sometimes when break the peddle goes to ...

2003 MG ZR 1.8
Posted: Jul 16, 2012
1
response
ABS LIGHT

Hi the abs light is staying on on my c3 i had the garage look at it and they said the abs pump/ modulator was faulty i b...

2005 Citroen C3 Desire
Posted: May 14, 2012
2
responses
ABS Warning lights on the dash

hi, ive had this car for about 6 months now and its coming up for its MOT, ive been informed the ABS warning lights are ...

2000 Citroen Saxo sx
Posted: Jan 1, 2012
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