4L0910409M / 0281018825 – Engine Control Unit for Audi Q7 4.2 TDI V8
The 4L0910409M / 0281018825 engine control unit from Bosch is used in the Audi Q7 4L equipped with the 4.2 V8 TDI engine. Suitable for model years 2007–2012. The unit has undergone full diagnostics and is fully functional. After installation, it requires in-vehicle programming, typically with VAS / ODIS / VCDS.
Compatibility Information
- Part numbers: 4L0910409M, 0281018825
- Model: Audi Q7 4L
- Engine: 4.2 V8 TDI
- Years: 2007–2012
- Programming required after installation
Frequently Asked Questions (Q&A)
Does the 4L0910409M / 0281018825 ECU fit only the Audi Q7?
Yes, this ECU model is designed specifically for the Audi Q7 4L with the 4.2 V8 TDI engine and is not used in other vehicles.
Is the ECU ready for installation?
The unit is fully functional but requires programming and adaptation to the vehicle at a workshop or by an automotive electrician.
Which tools can program this ECU?
Common tools include VAS, ODIS, VCDS and other diagnostic devices compatible with VAG protocols.
Do I need to send my old ECU?
It is not required, but sending the old unit can help correctly transfer immobiliser data.