• Haldex control unit 0CQ907554H , 0CQ 907 554 H ECU 4x4
  • rear differential 5. generation. Fully functional
1 2

Borgwarner

0CQ907554H Haldex control unit Used

0CQ907554H Haldex control unit Used

€299,00 EUR
Price excl. VAT
€299,00 EUR
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0CQ907554H Haldex Control Unit Gen 5 | Used BorgWarner OEM

Used Haldex Control Unit 0CQ907554H – VAG AWD Gen 5

Part Number: 0CQ907554H

Original BorgWarner rear differential control module for Volkswagen Group vehicles equipped with 5th generation Haldex AWD system.

System Type Haldex AWD 5th Generation
Condition Used – Fully Tested & Functional
Manufacturer BorgWarner
OEM Number 0CQ907554H
Hardware Reference HW H52 / 2001599
Warranty 12 Months
Original Used OEM Module Tested BorgWarner Haldex control unit prepared as a reliable replacement for failed Gen 5 AWD modules. Designed to restore rear axle engagement, stable traction control and proper communication with vehicle AWD electronics.

OEM Part Numbers & References

Main OEM Part Number:

0CQ907554H

Hardware / Module References:

HW H52  •  2001599  •  BorgWarner

Always Verify Your Part Number Before ordering, compare the part number printed on your original Haldex ECU with the number listed above. If you are unsure about fitment, contact us before purchase and we will help verify compatibility.

Technical Specifications

System Type:
Haldex AWD 5th Generation
Component:
Rear Differential Control Unit (ECU)
Manufacturer:
BorgWarner
OEM Number:
0CQ907554H
Hardware Version:
H52
Module Ref:
2001599
Application:
VAG Group AWD vehicles with 5th generation Haldex system
Part Condition:
Used / Tested / Functional

Product Description

This used original Haldex control unit with part number 0CQ907554H is designed for 5th generation Haldex AWD systems in Volkswagen Group vehicles. It is a core BorgWarner module responsible for managing torque transfer between the front and rear axles, helping the vehicle maintain correct traction, stability and AWD engagement.

What This Control Unit Does

  • Controls rear axle engagement in Gen 5 Haldex AWD systems
  • Supports communication with ABS, ESP and drivetrain electronics
  • Helps restore AWD performance when the original ECU has failed
  • Provides a cost-effective OEM replacement for faulty rear differential modules
  • Supports stable vehicle traction in changing road conditions

Typical failure symptoms include loss of rear-wheel drive, no communication with the AWD module, intermittent fault logging and ESP / ABS warning lights. This unit is supplied as a tested used OEM module ready for installation in compatible vehicles.

Coding Support Online support is available if coding is required after installation. If you need help with setup or diagnostics, contact us and we will guide you through the next steps.

Vehicle Compatibility

This Haldex ECU is suitable for selected Volkswagen Group vehicles equipped with a 5th generation Haldex AWD system. Always verify the exact part number on your original module before ordering.

Volkswagen

  • Volkswagen Golf VII Alltrack
  • Volkswagen Golf VII R
  • Volkswagen Passat B8 Alltrack
  • Volkswagen Tiguan (AD / BW)
  • Volkswagen Arteon

Audi

  • Audi A3 8V Quattro
  • Audi S3 8V Quattro
  • Audi Q3 8U
  • Audi TT / TTS (FV / 8S)

Škoda

  • Škoda Octavia III (5E 4x4)
  • Škoda Superb III (3V 4x4)
  • Škoda Kodiaq

SEAT

  • SEAT Ateca
  • SEAT Tarraco
Not Sure About Compatibility? If you are unsure whether this module fits your vehicle, send the VIN number or the printed number from your existing Haldex ECU and we will help verify fitment before you order.

Common Diagnostic Fault Codes & Symptoms

Problems with a defective Haldex control unit can commonly trigger the following symptoms or diagnostic issues:

  • No Communication – AWD module not responding to diagnostics
  • 01324 – Control Module for All Wheel Drive (J492): No Communications
  • 01316 – ABS Control Module: Check DTC Memory / Intermittent fault
  • ESP / ABS – Warning lights shown on the dashboard
  • Loss of rear-wheel drive / AWD not working correctly
  • Intermittent traction or drivetrain related faults

Installation & Recommended Service

Installation Steps

  • Verify the exact OEM number on the original control unit before replacement
  • Disconnect the battery and safely access the rear differential Haldex module
  • Remove the old ECU and inspect the connector area for moisture or corrosion
  • Install the replacement module and reconnect all plugs securely
  • Clear stored fault codes and confirm communication with suitable diagnostics
  • Carry out coding or adaptation if required by the vehicle
  • Perform a test drive and confirm correct AWD engagement

Recommended During Replacement

  • Replace Haldex oil during service
  • Inspect wiring and connector condition
  • Check for remaining AWD, ESP or ABS faults after installation
Online Technical Support Included If the module requires coding assistance after installation, our technical team can help. Reach us at [email protected] or use the contact button below.

Quality Assurance & Warranty

12-Month Warranty: This used Haldex control unit is supplied with a 12-month functionality warranty and is tested before dispatch.

Warranty Includes

  • Verified working module functionality before shipping
  • Basic compatibility guidance before purchase
  • Online support if coding assistance is needed after installation

Warranty Excludes

  • Incorrect part ordering without number verification
  • Damage caused by wiring faults, moisture ingress or improper installation
  • Vehicle-side hydraulic, drivetrain or electrical faults unrelated to the ECU itself

Questions or Need Help?

If you are unsure about compatibility, coding or installation, contact our technical team before ordering. We will help you verify the correct part number for your vehicle.

Contact

Important Purchase Information

  • Please verify the exact module number printed on your original unit before ordering.
  • Worldwide shipping is available. If your country is not shown at checkout, contact us directly.
  • Replacing Haldex oil during installation is recommended.
  • Online support is available if the module requires coding assistance after installation.
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Let customers speak for us

from 36 reviews
Very good and fast customer service

Very good and fast customer service. Excellent quality and material. Fast international delivery.

Bremer Zalán
1K0907554B Haldex control unit Refurbished
1K0907554B Haldex control unit Refurbished
Great service and

Great service and advice

David Lindqvist
Cars-Ecu
Fast delivery and great condition on the

Fast delivery and great condition on the product

David Lindqvist
Haldex clutch 4Gen Repair set N373 valve and seal kit
Haldex clutch 4Gen Repair set N373 valve and seal kit
Perfect

Perfect

István Szaniszló
Cars-Ecu

Excellent service, Very professional.

Anssi Harinen
Cars-Ecu

Bra service

Daniel gustafsson
Cars-Ecu

Great selection of parts. Reasonable pricing. Fast delivery and super service/support. My new Haldex ECU worked like a charm, once the car had recognised it (took a couple of restarts of the car and fault code clearing with OBDeleven). Highly recommend!

Martin Flood
Cars-Ecu

Good quality services and tailor-made products. I recommend!

Kolen
Cars-Ecu

Fantastic company, Jakub who is very helpfull and swift to reply. Helped me fix my haldex gen 5 myself, would really recommend anyone to work with or buy from this great company! Thanks again for your help Jakub

Sander van Wezel
Cars-Ecu

Very good job

Lusaja Tajaja
Cars-Ecu

fully functional parts and delivery without problems. I recommend it

Munir A
Cars-Ecu
Jag beställde ett vegans haldex kit från dom

Jag beställde ett vegans haldex kit från dom, och de skickat 👍
Jag rekommenderar dom om någon vill handlar från dom.

Filip Nguyen
Cars-Ecu
Palvelu todella hyvää ja

Palvelu todella hyvää ja nopeaa👍

Aki Martiskainen
Cars-Ecu
Toimii kuten pitää👍 asiointi helppoa ja

Toimii kuten pitää👍 asiointi helppoa ja toimitus tuli ajoissa🙂

Aki Martiskainen
0AY907554E Haldex control unit Used
0AY907554E Haldex control unit Used

Osa tuli kuten sivulla kerrottiin ja toimii kuten pitää.
Hyvä palvelu.👍

aki martiskainen
Cars-Ecu