GWv4 Calibration Software

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GWv4 is the latest version of calibration software for GEMS engine management systems and transmission controllers. It has been completely re-designed from GWv3 and has many new features including:

  • Multi tabbed workspace, with tab groups
  • Shaded 3D maps
  • New viewing objects: Tacho, large number, bar gauge and more
  • Audit Objects
  • Custom calculated maps
  • Data-log playback
  • User defined colour schemes
  • Start templates for ECUs, diff controllers and individual products
  • New map functions: Fill, smooth, custom scripting
  • Improved PC-Logging setup
  • Powerful object based scripting tools and script objects i.e. dials and checkboxes


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GWv4 Custom Controls
Audit Example Logging Playback


Click here for tutorial videos for GWv4


Related Links



If you would like to suggest features or changes, or are experiencing problems with GWv4, please email