0AY907554L Haldex Control Unit Gen 5 Used

0AY907554L Haldex Control Unit Gen 5 | Used Volkswagen OEM Used Haldex Control Unit 0AY907554L Part Number: 0AY907554L Volkswagen OEM rear differential / Gen 5 Haldex AWD control module for Transporter T6 platform vehicles System Type Haldex AWD 5th Generation Condition Used Fully Tested & Functional Manufacturer Volkswagen OEM OEM References 2018573 / 2001602 Software / Hardware SW 7620 / HW H53 Warranty 12 Months Tested & Verified Working Unit This used Volkswagen OEM Haldex control unit has been tested for correct operation and prepared as a reliable replacement for a faulty Gen 5 AWD controller. OEM Part Numbers OEM Reference Numbers: 0AY907554L • 0AY 907 554 L • 0AY598554L • 2018573 • 2001602 • SW 7620 • HW H53 Compatible ECU Numbers: 0AY907554 • OAY907554 • 0AY907554K • 0AY907554L • 0AY598554K • 0AY598554L Always Verify Your Part Number Before placing an order, check the OEM number printed directly on your original Haldex control unit. Vehicle model alone is not always enough to guarantee compatibility. Technical Specifications System Type: Haldex AWD 5th Generation Component: Rear Differential Control Unit / AWD Module Application: Volkswagen Transporter T6 platform AWD / 4Motion vehicles Manufacturer: Volkswagen OEM Vehicle OEM Ref: 2018573 / 2001602 Software Version: 7620 Hardware Version: H53 Part Condition: Used Tested & Verified Working Product Description This is a genuine used Volkswagen OEM Haldex control unit with part number 0AY907554L. It is a key component of the fifth-generation Haldex all-wheel-drive system, responsible for managing rear axle engagement, traction support and communication with the drivetrain electronics. What This Control Module Does Controls rear differential clutch engagement in the Gen 5 AWD system Supports correct torque transfer to the rear axle when traction is needed Communicates with traction control and related drivetrain electronics Helps restore AWD / 4Motion operation when the original module has failed Provides a replacement solution for no-communication and traction-related faults Direct OEM Replacement This module is intended as an OEM replacement for the original control unit. Professional diagnostic checks should be carried out after installation, and coding or adaptation may be required depending on the vehicle. Vehicle Compatibility The 0AY907554L is used in selected Volkswagen vehicles equipped with Gen 5 Haldex AWD. Always verify the exact part number on your original module before ordering. Volkswagen Volkswagen Transporter T6 4Motion (2015–2019) Volkswagen Caravelle 4Motion (2015–2019) Volkswagen Multivan T6 4Motion (2015–2019) Volkswagen Camper 4Motion (2015–2019) Selected Volkswagen T6 platform AWD vehicles with matching 0AY907554L / 0AY907554K controller Not Sure About Compatibility? If you are unsure whether this control unit fits your vehicle, send us your VIN number or the OEM number from your existing module. We will help confirm compatibility before you order. Common Symptoms of a Faulty Module A defective Gen 5 Haldex control unit commonly causes the following issues: Traction control warning light illuminated AWD / 4Motion system not working correctly No communication between the unit and diagnostic equipment 65535 Internal control module memory error Intermittent or complete loss of rear axle engagement Stored drivetrain or AWD-related fault messages Diagnostic Tip If the module is being replaced, a full diagnostic scan should be carried out before and after installation. Clearing stored fault codes and checking related AWD components is recommended. Installation Installation Steps Verify the exact OEM part number on the original control unit Disconnect the battery and safely access the AWD module Remove the old controller and inspect connector pins and wiring Install the replacement module in the original position Clear stored fault codes with suitable diagnostic equipment Carry out coding, adaptation or professional diagnostic checks if required Perform a test drive and confirm correct AWD / 4Motion operation Online Technical Support Included If you need compatibility checks or installation guidance, our technical team is available to help. Reach us using the contact button below or at [email protected] Why Haldex Control Units Fail 1. Internal Electronic Failure Wear of internal electronic components can cause intermittent operation, memory faults or complete loss of communication with the AWD system. 2. Moisture and Contamination Moisture ingress, dirt or oil contamination can affect module reliability and trigger unstable AWD behavior. 3. Wiring or Connector Problems Damaged pins, poor terminal contact or unstable power supply can interrupt module operation and create misleading communication faults. 4. Related AWD System Faults Other faults in the AWD system can overload the control strategy and contribute to repeated warnings or incorrect rear axle engagement. Quality Assurance & Warranty 12-Month Warranty: This used Haldex control unit has been tested for correct operation and is supplied with a 12-month warranty under normal operating conditions. Warranty Coverage Includes: Internal control unit malfunction Communication failures caused by the module itself Faults related to internal memory or controller operation Warranty Exclusions: Incorrect installation or incompatible vehicle fitment External wiring or drivetrain faults Physical damage, water damage after installation or mishandling Questions or Need Help? Our technical team is ready to assist with compatibility checks, installation guidance and coding support. Contact Us Important Purchase Information Please verify this part fits your specific vehicle before placing an order Worldwide shipping is available If your country is not listed at checkout, contact us and the order can be processed manually Professional diagnostic checks are recommended after installation Coding or adaptation may be required depending on the vehicle