GAP Diagnostic

GAP IIDTool G4 BT

Professional-grade diagnostic tool specifically designed for Land Rover vehicles. Full-system diagnostics, calibrations, service routines, live data, and CCF coding/personalization on supported models. LR4 is supported; requires GAP OBD adapter to isolate pins 12/13. App (iOS/Android) via Bluetooth. VIN-locked licensing.

Rating:
β˜…β˜…β˜…β˜…β˜…(4/5)
The IIDTool extensive coverage made it the prominent diagnostic tool amongst the Land Rover and Jaguar communities

Specifications

System Coverage
10/10
Special Functions
10/10
Coding & Programming
10/10
Interface & Ease of Use
9/10
Update & Support
10/10
Compatibility
Discovery 3/4, LR3/LR4, RRS L320, 2017+ (with adapter for LR4)
Price & Value
6/10

Pros

  • Full-system diagnostics including EAS, EPB, SAS, HVAC, instrument cluster
  • EAS calibration and service routines
  • EPB service mode and maintenance
  • CCF coding and personalization on supported models
  • Live data streaming
  • Regular firmware updates
  • Active community support
  • Clean, intuitive mobile app interface

Cons

  • VIN-locked licensing (one vehicle per license)
  • Higher price point than generic scanners
  • Land Rover-specific only (not universal)
  • Requires smartphone/tablet for full functionality

Where to Buy