Haldex Control Unit AWD 0AY 907 554 J Audi SEAT Skoda VW
Ex VAT: £345.21
Couldn't load pickup availability
Delivery and Shipping
Delivery and Shipping
UK Shipping
1-2 day delivery via express courier when ordered before 14:00pm*
International Shipping
3-5 Business Days*
For International orders
It is the responsibility of the buyer to pay any custom charges or excise duties. *Delivery times may vary depending on external factors and are to be used as an estimate only.
Product News
Subscribe To Receive Exclusive Deals & Product Updates
Haldex Control Unit All-Wheel-Drive
BorgWarner 0AY 907 554 J
Audi SEAT Skoda VW
Haldex Control Unit - Common Faults
Haldex Controller Water Damage/Corrosion:
- Very common
- Requires strip down of Haldex controller & repair or replacement of unit
Water ingress and corrosion damage on the Haldex Gen 2, Gen 3, Gen 4 & Gen 5 controllers are unfortunately very common. The damage to the circuit board can cause an array of fault codes, some of which can lead to a misdiagnosis of the pump and vice versa.
You may experience some, not necessarily all of the following fault codes relating to Haldex controller failure:
- 00003 - Control Module Faulty - Defective
- 00448 - Haldex Clutch Pump V181 - Defective
- 01324 - All Wheel Drive Module - No Communication/Signal
- 02248 - Valve For Controlling Clutch Operating Angle - Defective
- 02249 - Sensor For Oil Pressure / Oil Temperature - No Signal
- 16347 - Control Module - EEPROM Error
- 65535 - Internal Control Module Memory Error
This item contains the following parts:
x1 Control unit
x2 Screws
Part Number(s)
0AY907554J
0AY 907 554 J
DS2015503
Vehicle Compatibility
Audi
AUDI S1 Quattro 2.0 (2014 - 2018)
AUDI S1 Sportback Quattro 2.0 (2014 - 2018)
AUDI Q3 Quattro 2.0 (2011 - 2018)
AUDI RSQ3 Quattro 2.5 (2013 - 2018)
SEAT
SEAT Alhambra 2.0 (2011 - 2018)
Skoda
SKODA Yeti 1.8 (2010 - 2017)
SKODA Yeti 2.0 (2009 - 2015)
VW
VW Caddy 1.6 (2010 - 2015)
VW Sharan 2.0 (2010 - 2018)
VW Tiguan 1.4 (2007 - 2016)
What does a Haldex control unit do?
The Haldex control unit is the electronic brain of the AWD coupling. It monitors wheel speed, throttle position and vehicle dynamics, then commands the hydraulic pump to pre-load or engage the rear axle clutch pack as required for traction and stability.
What are the signs of a failing Haldex control unit?
Common symptoms include AWD system fault codes (00003, 01324, 65535), loss of four-wheel drive, a warning light on the dashboard, and handling that feels unstable in low-grip conditions. Water damage and corrosion on the circuit board is the most frequent cause of failure on Gen 2-5 units.
Is this a genuine or aftermarket part?
The DS2015503 is a BorgWarner (S-TEC) unit — the same manufacturer that supplies the Haldex coupling to Audi, SEAT, Skoda and VW at the factory. It is a genuine OEM-grade replacement.
Does fitting a new control unit require coding?
Yes. After fitting, the Haldex control unit typically requires adaptation and coding using a compatible diagnostic tool (e.g. VCDS, ODIS or equivalent). Consult your vehicle’s workshop manual or contact a qualified technician.
Which Haldex generation is this unit for?
This unit is designed for Haldex Generation 5 (Gen 5) couplings, fitted to many VAG group vehicles from approximately 2011 onwards. Gen 5 is not interchangeable with earlier generations.
Why Choose Eco Torque?
As specialists in gearbox rebuilds and repairs, Eco Torque takes pride in offering genuine gearbox parts, high-quality aftermarket alternatives and competitive pricing.
Need Help Finding the Right Part?
If you are unsure whether this part is compatible with your vehicle, send us your UK registration number or VIN and we will help you find the correct part.
Reference Number: ET3524
Important
Information for Buyers
Stock & Processing Times: These can vary depending on items, please contact us for availability before ordering.
Special Order Items: Items that are ordered directly from the manufacturer are by special order only. This means they can not be cancelled or returned unless faulty. Items returned as faulty are sent back to the manufacturer for inspection and a report on the refund decision will be issued between 2-3 weeks after they have received the item.
Qualified Installation Required: All components must be installed by a certified professional to ensure proper performance and avoid warranty issues.
Packaging Note: Due to the fragile nature of the original packaging, some kits may be shipped in secure, unmarked boxes. If you require original packaging, please consider this before purchasing.
*Images for reference illustration purposes only, product may be different in design.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
BorgWarner | S-Tec
BorgWarner offers a broad portfolio of AWD couplings,ECU kits and spare parts.
Our filters, pumps, and special oils ensure a clean, constant oil lubrication and facilitate ideal distribution of the driving power between the front and rear axle for optimum traction and handling.
Our OE competence – we are one of the biggest supplier for AWD couplings.
More than 10 million BorgWarner couplings are in the market at most manufacturers
S-TEC was founded in 2006 as a company of Magna, one of the world leading automotive suppliers and is characterized by quality thinking, fairness and world-class production.
The headquarter is located in Albersdorf, Styria.
Both companys supply the OE replacement Haldex parts to get you vehicle back on the road.
