System Type
Haldex AWD 4th Generation
Condition
New Fully Functional
Manufacturer
BorgWarner
Supplier Reference
HAP542 / 5WP33526-05
Software / Hardware
SW 6010 / HW H44
Warranty
24 Months
Tested & Verified Working Unit
This 100% brand-new original Haldex control unit is fully tested and prepared as a reliable OEM replacement for a faulty original Haldex controller. It is supplied with functionality warranty and online support in case coding or setup help is needed after installation.
OEM Part Numbers
OEM Reference Numbers:
09N907554C • 09N 907 554 C • HAP542 • 5WP33526-05 • 119840-02 • SW 6010 • HW H44
Compatible ECU Numbers:
09N907554 • 09N907554A • 09N907554B • 09N907554C
Always Verify Your Part Number
Before placing an order, check the OEM number printed directly on your existing Haldex control unit and confirm it matches the references listed above. If you are unsure about compatibility, contact us and we will help verify fitment.
Technical Specifications
System Type:
Haldex AWD 4th Generation
Component:
Rear Differential Control Unit (ECU / AWD Module)
Application:
Volkswagen T5, Multivan and California AWD with 4th Gen Haldex
Supplier Ref:
HAP542 / 5WP33526-05
BorgWarner Part Ref:
119840-02
Part Condition:
New Tested & Verified Working
Product Description
This is a genuine brand-new OEM Haldex control unit with part number 09N907554C. It is a critical component of the fourth-generation Haldex all-wheel-drive system used in Volkswagen T5 platform vehicles, responsible for controlling rear differential clutch engagement and enabling correct torque transfer to the rear axle when traction is required.
What This Control Module Does
- Controls hydraulic activation of the Haldex coupling for rear-wheel engagement
- Supports proper AWD / 4x4 operation in Transporter T5, Multivan and California applications
- Communicates with ABS / ESP and related drivetrain systems
- Stores and reports diagnostic trouble codes when faults occur
- Supports traction and stability in low-grip road conditions
Direct OEM Replacement
This module is intended as an OEM replacement for the original control unit. Coding or adaptation may be required after installation depending on the vehicle configuration, and online support is available if needed.
Vehicle Compatibility
The 09N907554C is compatible with selected Volkswagen T5-series vehicles equipped with Gen 4 Haldex AWD. Always verify the exact part number on your existing module before ordering.
Volkswagen
- Volkswagen Transporter T5 AWD
- Volkswagen Multivan AWD
- Volkswagen California AWD
- Selected Volkswagen T5 platform vehicles with matching 09N907554C / 09N907554B / 09N907554A controller
- Compatible references: 09N598549, 09N598549A, 09N598549B, 09N598549C
- Compatible references: 09N598549, 09N598549A, 09N598549B, 09N598549C
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 Haldex control unit commonly causes the following issues:
- Loss of AWD / 4x4 function or rear axle not engaging
-
00003 Control module defective
-
00448 Haldex clutch pump (V181) fault
-
02248 Clutch control valve (N373) fault
-
No Communication AWD module not responding
-
N373 Haldex clutch control valve problem
- ESP / ABS warning lights on the dashboard
Diagnostic Tip
If this module is being replaced, it is recommended to inspect the Haldex control valve N373, the Haldex pump and related system components. A proper diagnostic scan should be carried out before and after installation.
Installation
Installation Steps
- Verify the exact OEM part number on the original control unit
- Disconnect the battery and safely access the Haldex module on the rear differential
- Remove the old controller and inspect connector pins and housing for corrosion or moisture
- Install the replacement ECU carefully and reconnect all plugs securely
- Clear stored fault codes and confirm AWD module communication with suitable diagnostic equipment
- Code or adapt the module if required by the vehicle
- Perform a test drive and confirm correct AWD engagement
Online Technical Support Included
If the control unit requires coding assistance after installation, our technical team is available to help. Reach us using the contact button below or at
[email protected]
Why Haldex Control Units Fail
1. Water Ingress & Sealing Failure
Moisture and damaged sealing can affect the control unit housing and internal electronics, leading to corrosion, unstable communication and complete AWD malfunction.
2. Valve or Pump Related Faults
Failure of the Haldex control valve N373 or related pump components can overload the system and trigger repeated module-related diagnostic errors.
3. Internal Electronic Failure
EEPROM faults, internal memory errors and circuit-board wear can cause intermittent operation, no communication faults or complete loss of rear differential control.
4. Wiring or Power Supply Problems
Damaged wiring, poor terminal contact or unstable power supply can interrupt module operation and create misleading communication or actuator fault codes.
Quality Assurance & Warranty
24-Month Warranty: This new Haldex control unit has been tested for correct operation and is supplied with a 24-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, pump or valve 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
- Images are for illustrative purposes only
- Worldwide shipping is available
- If your country is not listed at checkout, contact us and the order can be processed manually
- It is recommended to replace the Haldex control valve N373 when replacing the control unit
- Coding or adaptation may be required after installation and online support is included
