Haldex Control Unit – 4Motion Gen1

Used OEM unit – Fully tested and confirmed to be in good working condition.

Key Features & Testing:

• Complete wiring harness inspected and verified for integrity
• Pressure pump control function tested and operational
• Valve control motor tested for proper operation
• Fault codes read and cleared using VCDS diagnostics
• Communication inputs tested:
  • CANBUS
  • K-Line
  • Brake signal
  • Parking brake signal

Bench Simulation Test:
This unit has undergone a full bench simulation, replicating real vehicle conditions to ensure reliable performance under load.

Vehicle Compatibility – Haldex Gen1 Control Unit

The Gen1 Haldex system was used in a wide range of AWD/4Motion vehicles across the VW Group. Below is a list of known compatible models:

Audi

• A3 / S3 (1997–2000, 2001–2003)
• TT MK1 (1999–2006)

Volkswagen (VW)

• Golf MK4 4Motion / R32 (1998–2006)
• Sharan 4Motion (2001–2010)
• Bora 4Motion (2003–2005)
• Beetle 4Motion (1999–2001)
• Seat Alhambra (VW platform) (2001–2010)

SEAT

• Leon 4 (1M) (2000–2006)
• Toledo 4Motion (1999)

Škoda

• Octavia I 4x4 (2001–2004)

02D525554AF
02D900554B
02D900554C
02D900554D
02D900554DX

106055

Haldex Steuergerät
Haldex Hinterachsdifferential

Fits for 02D rear axle drives with Haldex I coupling for 4x4 vehicles (quattro/4motion)

Audi TT/TTS 1999-2006
02D 525 010 AE - rear axle codes EHR, EUK, FGT, FWS

Audi A3/S3 1997-2003
02D 525 010 AE - rear axle codes AMK, ARY, BAM
02D 525 010 AF - rear axle codes ARX, EHQ, EUL
02D 525 010 AG - rear axle code ASZ

Seat Alhambra 2001-2010
02D 525 010 AJ - rear axle codes AYL, AUY, BVK

Seat Leon 2000-2005, 2006 from VIN/Chassis no. 1M-6-000 001
02D 525 010 AE - rear axle codes AJQ, ARY, AUE, BDE
02D 525 010 AG - rear axle codes ARL

Seat Toledo 1999 from VIN/Chassis no. 1M-X-000 001 to 1M-X-025 000, 2000-2004
02D 525 010 AE - rear axle codes AJQ, ARY, AUE, BDE
02D 525 010 AG - rear axle codes ARL

Skoda Octavia 2001-2003, 2004 from VIN/Chassis no. 1U-4-000 001, 2005 from VIN/Chassis no. 1U-5-000 001, 2006 from VIN/Chassis no. 1U-6-000 001, 2007 from VIN/Chassis no. 1U-7-000 001, 2008 from VIN/Chassis no. 1U-8-000 001, 2009 from VIN/Chassis no. 1U-9-000 001, 2010 from VIN/Chassis no. 1U-A4-000 001, 20114 from VIN/Chassis no. 1U-B-000 001
02D 525 010 AF - rear axle codes ARX, AZH, AZJ
02D 525 010 AG - rear axle codes ATD
02D 525 010 AH - rear axle codes AGR

VW Beetle 1999-2001
02D 525 010 AE

VW Bora 1999-2005
02D 525 010 AE - rear axle codes AGZ, AQN, AQP, AUE, BDE
02D 525 010 AF - rear axle codes AGN, AZH, AZJ
02D 525 010 AG - rear axle codes AJM, ARL, ASZ, ATD, AUY
02D 525 010 AH - rear axle codes AGR

VW Golf 1998 from VIN/Chassis no. 1J-W-000 001, 1999-2003, 2004 from VIN/Chassis no. 1J-4-000-001, 2005 from VIN/Chassis no. 1J-5-000-001, 2005 from VIN/Chassis no. 1J-6-000-001
02D 525 010 AE - rear axle codes AQN, AQP, AUE, BDE, BFH, BML
02D 525 010 AF - rear axle codes AGN, AZH, AZJ
02D 525 010 AG - rear axle codes AJM, ARL, ASZ, ATD, AUY
02D 525 010 AH - rear axle codes AGR

VW Sharan 2001-2010
02D 525 010 AJ - rear axle codes AYL, AUY, BVK