A J2534 Reprogramming & Diagnostic Pass-Thru Device Providing Mechanics, Technicians, Locksmiths & Vehicle Security Professionals
Complete Automotive Coverage for Engine, Brakes, Transmission & Body

Vehicle reprogramming tools are becoming an essential auto diagnostic tool in automotive repair shops.   Technicians often come across OEM Technical Service Bulletins that require them to reprogram the vehicle with the latest OEM calibration files in order to diagnose and repair car problems such as check engine light, gas mileage, false DTCS, shifting, hesitation, rough idle, emissions quality, ABS, performance and more.  


  • Complete J2534-1 compliance with J2534-2 support
  • Tool provides dealership diagnostics and reprogramming with OEM software subscriptions
  • Out-of-the-box essential diagnostic capability using DG Diagnostics OBDII software.
    • VIN number, emmissions-related data, Freeze frame, data monitoring, data logging, read/clear DTCs and more!
  • Industry best 2 year warranty
  • OBDII to laptop communication using OBDII/serial cable
  • Adapter to PC validation software
  • High speed USB to CAN interface connectivity
  • Free personalized technical support
  • The only metal case enclosure on the market today

Protocols Supported

  •  ISO 14230 (KWP2000)
  •  SCI and GM-UART
  •  MSCAN
  •  J1850 PWM (Ford SCP)
  •  J1850 VPWM (GM Class 2 & Chrysler)
  • CAN (ISO 11898, J2284)
  •  ISO 15765
  •  ISO 9141

J2534 Reprogramming

For questions about J2534 Automotive reprogramming questions, visit our J2534 FAQ page.

OEM Compatibility

To view or subscribe to an OEM service website to use in conjunction with the VSI-2534 pass-thru box, view the links on the OEM Reprogramming Sites page.

For OEM Subscription Reprogramming Instructions, see the “OEM Reprogramming Guides” listed on the Documents Page

OEM Diagnostics

DG’s J2534 Pass-Thru devices work with various OEM Diagnostic software subscriptions such as:

  • GM Tech2Win
  • GM GDS2
  • VAG Offboard Diagnostic Information System Service (ODIS)
  • Toyota TechStream
  • Jaguar/LandRover IDS
  • Volvo VIDA

OEM Reprogramming

DG’s J2534 Pass-Thru devices work with various OEM Reprogramming software subscriptions such as:

  • GM Tis2web
  • Ford Motorcraft
  • Volkswagen erWin
  • Chrysler Tech Authority II
  • Toyota Technical Information System