Link ECU | G4X TTLink | TTX | Plug - In

Link ECU 208-4000

( 208-4000 )


Used for: Tuning the PQ34 1.8L Turbo engine commonly found in the Audi TT & some VW Models.

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Link Engine Management Logo | LINK ECUS IN ESSEX

Link ECU | "G4X TTLink TTX"

  • Designed for: VWAG PQ34 1.8L Turbo Engines [with E-Throttle].
    Full list of suitable applications below.
  • The G4X TTLink TTX is a Plug-In ECU developed by Link Engine Management, designed to maximise the potential of your car.
  • Link's TTX Module fits directly into the factory enclosure, requires no alteration of the factory wiring loom / harness [for models listed], and is designed to be simple to install.
  • This ECU works for manual transmissions only | most factory features are still supported.
  • This Link product includes an onboard 4 Bar or 7 Bar MAP Sensor.
  • TTLink TTX Supports the following applications:
    Audi TT [AJQ, 1999 - 2002]
    Volkswagen Beetle [AWU, 2005]
    Volkswagen Passat [AWU, 2000]
    Volkswagen Golf [AUM, 2001]
    Full list of likely compatible vehicles | Untested by Link Engine Management 

    Engine MUST be 1.8T.
    ECU Header must have two connectors [121 Pin Total].
    Must be Drive-by Wire [E-Throttle].
    Must be manual transmission.

    FWD or 4WD [Haldex].

Features | "G4X TTLink TTX"

I/O Expansion Options:
There is no separate connector on the TTLink. Expansion pins are accessible through the main header, listed below.

  • PIN 110 | AN TEMP 3
  • PIN 111 | AN VOLT 10
  • PIN 112 | DI 9
  • PIN 113 | IGN 6

G4X Plug-In Features:

  • Up to 6D Fuel & Ignition Mapping
  • Precision Closed Loop Cam Control (Four Cam | Independent Control)
  • Sequential Fuel Delivery
  • Digital Triggering, all OEM Patterns
  • 5D Boost Control w/ Three (3) Switchable Tables
  • OEM Idle Hardware Supported
  • Motorsport features; Anti-Lag, Launch Control, Flat Shift
  • Continuous Barometric Correction [on board]
  • CAN Port
  • QuickTune - Automated Fuel Tuning
  • Individual Cylinder Correction
  • USB Tuning Cable included
  • Records into On-Board memory
  • Gear Compensations for Spark, Boost and Fuel
  • More...

Full Specification [Link ECU] 

Link ECU Supply, Installation & Calibration:

  • Redline Tuning can supply, install & calibrate both the Link G4X TTLink TTX ECU or any other Link Engine Management Product currently available in Essex, London and the South East of England.

Contact Redline Tuning 

Important Notes:

  • Please double check / cross reference your existing ECU's pinout with the images we have provided, to ensure connections are correct.

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  • Please note that we do not carry stock for all Link Engine Management products. If we do not have an item in stock it will be ordered for you, please allow up to 2 extra business days for us to process your order. If you need an item urgently, or would like to know if an item is in stock, please contact us here
  • Prices shown do not include VAT, this will be calculated and added at checkout for UK customers.
  • For international customers, sales tax will not be charged at checkout. You will be responsible for the VAT equivalent wherever you live. This will be charged by the courier prior to delivery. We have zero control over these charges and they vary by the destination country. We advise that you check before ordering if you are unsure.
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