Audi Quattro Haldex Control Unit AWD 0AY 907 554 J

Haldex Control Unit All-Wheel-Drive

BorgWarner 0AY 907 554 J

Audi Quattro

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)

Please note, due to crossover OE suppliers on Haldex parts, you may receive items in a Borg Warner or S-Tec box. These are both brand new genuine parts.

As gearbox rebuild and repair specialists, Eco Torque is proud to offer genuine gearbox parts as well as high quality aftermarket alternatives throughout its store.

Browse Eco Torque’s ever-evolving product range available to purchase online
at competitive prices.

If you cannot find the items you need or are unsure if the part is compatible with 
your vehicle make and model, please send us your UK registration number or
 VIN Code and we will direct you to the right part.

Reference Number: ET3524-QUATT