Description
TTLink – TTX from Link Engine Management. Genuine Link plug-in ECU that fits the factory ECU location and loom.
Key Points
- For VAG PQ34 1.8T engines with electronic throttle, manual transmission, FWD or Haldex 4WD
- ECU header must be two connectors, 121 pins total
- Onboard 4-bar or 7-bar MAP sensor
- Confirmed fits are listed; many other 1998-2009 1.8T Audi A3/A4/A6/S3/TT, VW Golf/Jetta/New Beetle/Passat/Bora/Polo, Seat and Skoda models are likely compatible but untested
- Not compatible with engine codes AEB, AGU, AJH, AJL
- Not compatible with CANJST cables: use CANLTW (101-0211) or CANF (101-0020) for CAN
- No separate expansion connector; spare temp, voltage, digital and ignition pins are on the main header
Fitment
- Audi TT 1999-2002 (8N) – 1.8T (AJQ)
- Volkswagen Beetle 2005 (9C) – 1.8T (AWU)
- Volkswagen Golf 2001 (Mk4) – 1.8T (AUM)
- Volkswagen Passat 2000 (B5) – 1.8T
Part of our Link Engine Management range. Contact us if you need help choosing the right ECU or supporting hardware for your build.


