It’s a repair service to your own faulty ABS Module. 5DF0 – Pump motor voltage supply. 5DF1 – Hydraulic unit pump motor connector faulty. ABS light comes on Power Supply to Pump motor faulty. Option 1: Book an appointment with us to bring your ABS Module down to us at our Oldham site, we will carry on the repair while you wait for 1 hour. Option 2: Cont us first, once our technician confirmed, you can send us your faulty ABS Module in the post along with your Cont details and return address. Turnaround time is 1 to 2 days.