Genuine Plug-In convenience with modern G4X architecture, advanced tuning and motorsport features.
Purpose-built for VWAG (Audi, Seat, Skoda and Volkswagen) 1.8T powered vehicles, the TTX is designed to fit directly into the factory ECU location using the factory mounts, original wiring loom and connectors. No rewiring, no adapter looms, no compromises. It retains all factory functionality, delivers seamless OEM integration and includes a startup map to get your vehicle running quickly. The result is a clean, simple, reliable installation that maintains a stock appearance.
Link G4X Plug-in ECUs share the same processor, firmware, software and standard G4X feature set found throughout the G4X range. Features include dual CAN Bus, Flex Fuel, Flexible Engine Protection Limiters, CAN Keypad Control, Open and Closed Loop Boost Control, Dual Closed Loop Lambda, VVT Control, a built-in Trigger Oscilloscope, compatibility with aftermarket displays, Direct Automatic Transmission Control and 512MB of onboard data logging. It also features a built-in MAP sensor.
Drawing from Link's championship-winning G4X platform, the TTX also supports advanced tuning and motorsport features including Nitrous Control, Launch Control, Anti-lag, Cruise Control, Traction Control, Race Timer and Power Management, Gear Shift Control and Paddle Shift Control.
A Link Plug-in ECU is the ideal solution when available for your vehicle and the wiring remains in good condition, providing modern engine management without the complexity of a wire-in installation.
Models Supported |
The TTX is designed to suit the VWAG PQ34 with 1.8T engine such as: Audi TT with AJQ engine from 1999-2002 VW Beetle with AWU engine, 2005 VW Passat, 2000 VW Golf with AUM engine, 2001 Other vehicles are likely to be compatible with the TTX ECU, but are unconfirmed. For more information contact Link's Tech Support or your official reseller. Audi A3/A4/A6/S3 1998-2006 Seat Alhambra/Ibiza/Leon 1999-2008 Skoda Octavia 1999-2005 VW Bora/Golf/Jetta/New Beetle/Passat/Polo/Sharan 1999-2008 |
Important |
Please check your connector matches the header in the listed photo before purchasing. This ECU works for manual transmissions only. ECU header must have two connectors, 121 pin total. Engine must be 1.8T, drivetrain must be FWD or 4WD (Haldex). This ECU has built-in E-Throttle (Drive-by-Wire). This model includes an onboard MAP sensor. Most factory features are supported. |
Features
Plug-inX ECUs have all the standard G4X features along with advanced tuning and motorsport features including:
ECU Features |
Dual CAN Bus E-throttle Control Flex Fuel Trigger Oscilloscope 3 Axis Accelerometer Selectable Temp Input Pullups Flexible engine protection limiters CAN Keypad Control VVT Control Open Loop Boost Control Closed Loop Boost Control Dual Closed Loop Lambda Direct Automatic Transmission Control Compatible with all leading aftermarket dashes via CAN or serial stream 512 Megabytes of internal data logging |
Motorsport Features |
Nitrous Control Launch Control Anti-lag Cruise Control Traction Control Race Timer and Power Management Gear Shift Control Paddle Shift Control |
Specifications
Plug-in ECUs combine all the premium G4X specifications with genuine plug-and-play convenience, including:
Inputs and Outputs |
For the full list of Inputs and Outputs, please see the TTX Installation Manual |
Communications |
2 CAN Bus Channels LTW 6-Pin USB Tuning Connection |
Product Dimensions |
190mm(L)x155mm(W)x40mm(H) 7.48in(L)x6.10in(W)x1.57in(H) |
Product Weight |
960 grams (33.86 ounces) |
Electrical |
Operating Voltage Range: 6.5-24V Maximum Input Voltage: 36V Maximum Continuous Current Draw: 5.5A |
What's in the Box |
G4X TTX Plug-in ECU Anti-static Strap USB Tuning Cable – ECU to USB Link stickers Plug-in Manual Card Product Registration Card |


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