Bosch · petrol · 1999–2002
VW ECU 021 906 018 xxx — Bosch ME7.1
2.8 VR6 12-valve (AFP) in the Mk4 Golf, GTI and Jetta.
Models fitted with 021 906 018
Golf / GTI
Mk4 (A4 platform) · 1999–2006
- 2.8 VR6 12v · AFP
Jetta
Mk4 (A4 platform, sedan + wagon) · 1999–2005
- 2.8 VR6 12v · AFP
Pairing from bench experience — confirm with the label on your module before buying a donor.
Clone the 021 906 018 ECU — $350 flat
Mail your original and a donor with the same full part number. VIN, immobilizer data, coding and adaptations are copied across on the bench, typically within 24 hours of arrival. Factory immobilizer stays on.
Volkswagen engine ECU cloneOn-car software step — remote ODIS, $250
Some cars still want an on-car step after a module swap: a software version management (SVM) update, coding, or a basic-settings adaptation. Plug a J2534 pass-thru interface into the car and we run the factory ODIS software on it from our bench — no dealer visit. The same session covers coding after any other VW or Audi module replacement.
Book the VW / Audi remote sessionFrequently asked questions
What is VW ECU part number 021 906 018?
021 906 018 is the part-number prefix of a Volkswagen engine control unit in the Bosch ME7.1 family (Bosch), common on 1999–2002 petrol cars. 2.8 VR6 12-valve (AFP) in the Mk4 Golf, GTI and Jetta. The rest of the number selects the exact calibration.
Which models use a 021 906 018 ECU?
In the US: Golf / GTI Mk4 (A4 platform) (1999–2006); Jetta Mk4 (A4 platform, sedan + wagon) (1999–2005). Always confirm with the label — the same model year can carry a different family on another engine or build.
Can you clone a 021 906 018 ECU?
Yes. Mail your original 021 906 018 unit and a donor with the same full part number and we copy your VIN, immobilizer data, coding and adaptations onto the donor for $350 flat, typically within 24 hours of arrival, immobilizer intact. If the car then asks for an on-car step, the remote ODIS session over J2534 is $250.