Common ABS pump malfunction will cause one or more brakes to bind/lock-up after depressing the brake pedal. It is commonly known for one wheel to fail and cause the brake to lock on, however, opposite wheels can fail at the same time for example near side front and offside rear, or near side rear and offside front.

Ford Fiesta ABS pump and Ford Transit ABS faults, caused by internal component failure, will prevent the brake calipers from releasing, making this a potentially highly dangerous fault.

Common Failure symptoms:
Brakes locking on / binding
Brakes not releasing
One or more wheels lock

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