Audi A8 / S8 (D5/4N) | ABS Pump

If your vehicle is showing a ‘Brake system fault – stop carefully’ message, has an illuminated ABS or traction control light, or you've identified fault code C123EF0 through diagnostics, your Bosch ESP 9 ABS unit may be faulty. Our professional repair service resolves this common issue. Common faults C123EF0 (15381504) – Hydraulic Brake Booster Limit Value Reached (cannot be cleared) No brake fluid flow to one or more wheels Part numbers (MPN) 4N0907379AC - 4N0907379AF - 4N0907379AG - 4N0907379AK - 4N0907379AL - 4N0907379AP - 4N0907379AQ - 4N0907379BA - 4N0907379P - 4N0907379K - 4N0907379AN - 4N0907379AR - 4N0907379AT - 4N0907379F - 4N0614517AC - 4N0614517AE - 4N0614517AQ - 4N0614517AT - 4N0614517BC - 4N0614517BF - 4N0614517BJ - 4N0614517BM - 4N0614517BQ - 4N0614517CB - 4N0614517CC - 4N0614517BN - 4N0614517BR - 4N0614517CA - 4N0614517P - 4N0614517R