System Type
Haldex AWD 4th Generation
Condition
New Fully Functional
Manufacturer
BorgWarner
Included in Set
Control Unit + New N373 Valve + Sealing
Software / Hardware
SW 6010 / HW H44
Warranty
24 Months
Complete Ready-to-Install Set
This brand-new BorgWarner Haldex control unit is supplied together with a new N373 valve and sealing, helping restore stable AWD operation and reducing the risk of repeat faults caused by worn valve components or leakage.
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 • 09N598549 • 09N598549A • 09N598549B • 09N598549C
Always Verify Your Part Number
Before placing an order, check the OEM number printed directly on your original 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 + N373 Valve + Sealing
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 Set
Product Description
This is a genuine brand-new OEM Haldex control unit set with part number 09N907554C. The set includes the BorgWarner Gen 4 control unit, a new Haldex control valve N373 and new sealing, making it a practical replacement solution for Volkswagen T5 AWD vehicles that require both the ECU and valve-related service parts.
What This Set Includes
- Brand-new BorgWarner Haldex control unit 09N907554C
- New Haldex clutch control valve N373
- New sealing for installation service
- OEM replacement solution for restoring reliable AWD engagement
Service-Friendly Replacement Package
Combining the control unit with a new N373 valve and sealing helps simplify installation work and supports a more complete repair when the original module has failed or repeated valve-related faults are present.
Vehicle Compatibility
The 09N907554C set 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 09N907554 / 09N907554A / 09N907554B / 09N907554C controller
- Compatible references: 09N598549, 09N598549A, 09N598549B, 09N598549C
Not Sure About Compatibility?
If you are unsure whether this control unit set 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 or worn N373 valve 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
Replacing the control unit together with a new N373 valve and fresh sealing can be a better solution when the vehicle shows repeated valve faults, oil leakage concerns or unstable AWD operation.
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
- Replace the N373 valve and install the new sealing during service
- 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 ingress and damaged sealing can affect the control unit housing and internal electronics, leading to corrosion, unstable communication and AWD malfunction.
2. Valve or Pump Related Faults
Failure of the Haldex control valve N373 or related pump components can trigger repeated faults, poor clutch engagement and loss of rear axle drive.
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 set 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 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
- 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
- This set includes a new N373 valve and new sealing
- Coding or adaptation may be required after installation and online support is included
