KOYO VAG Servo Pump repair instruction

KOYO VAG Servo Pump repair instruction

frequent faults of KOYO servo pumps on VW, Seat and Skoda. Symptoms: * The steering wheel warning light turns on * Stiff steering wheel – no servo aid (Dangerous during steer!) * Often the diagnosis is not possible – no communication between the tester and the pump * The faults shows more frequently during wet weather Error Codes: 01309 – Power Steering Control Module (J500) 37-00 – Faulty 00566 – Steering Assistance Operation 27-10 – Implausible Signal Catalogue numbers: 6Q0 423 156 AA 6Q0423156AA 6Q0 423 156 R 6Q0423156R 6Q0 423 156 K 6Q0423156K 6Q0 423 156 AE 6Q0423156AE 6Q0 423 156 AG 6Q0423156AG 6Q0 423 156 AF 6Q0423156AF 6Q0 423 155 K 6Q0423155K 6Q0 423 155 L 6Q0423155L 6Q0 423 155 R 6Q0423155R 6Q0 423 155 AA 6Q0423155AA 6Q0 423 155 AD 6Q0423155AD 6Q0 423 155 AG 6Q0423155AG 6Q0 423 155 AH 6Q0423155AH 6Q0 423 155 AJ 6Q0423155AJ 6Q0 423 155 AM 6Q0423155AM 6Q0 423 162 X 6Q0423162X 6Q0 423 162 AX 6Q0423162AX 6Q0 423 162 BX 6Q0423162BX 6Q1 423 070 X 6Q1423070X