Diagnostic and Reprogramming Dual-CAN Interface for Light, Medium & Heavy Duty Vehicle Technicians

The Dearborn Protocol Adapter 5 has been superseded by the DPA 5 PRO to offer our customers the best in advanced technology for vehicle to PC diagnostic and reprogramming communication. 


  • Best in class rugged design
  • Eliminates the need for multiple vehicle data link adapters
  • USB and Bluetooth connectivity
  • Two Dual Wire CAN Channels that support auto baud detection (125K, 250K, 500K and 1,000K)
  • RP1210 compliant drivers that will work with heavy duty OEM applications
  • DG Diagnostics and Adapter Validation Tool included for immediate troubleshooting of vehicles
  • Limited J2534 support can be used with Automotive OEM applications
  • Custom built diagnostic kits for fleet owners
  • Made in the U.S.A
  • Standard two-year warranty included
  • US-based experienced technical support team
DPA 5 protocol interface

OEM Software Compatibility

The DPA 5 is a RP1210 and J2534 compliant Vehicle Diagnostic Adapter (VDA) pass-thru device that complements OEM software by providing service bay technicians with dealer level diagnostics and reprogramming functionality. Any aftermarket software that is RP1210 or J2534 compliant that uses a DPA 5 protocol can be used with the DPA 5. It has been thoroughly tested and validated against many OEM and component software applications:

  • Allison DOC
  • Bendix ACOM
  • Caterpillar Electronic Technician (On-Highway only)
  • Cummins Insite
  • Cummins PowerSpec
  • Dana Diagnostic Tool
  • Detroit Diesel Diagnostic Link
  • Eaton ServiceRanger
  • Freightliner ServiceLink
  • GM GDS2
  • International Master Diagnostics
  •  Isuzu IDSS II
  • Mack VCADS/Tech Tool
  • Navistar Diamond Logic Builder (DLB)
  • Navistar HeRo (Health Report software)
  • Navistar ServiceMaxx (J1939) (J1708)
  • Navistar Engine Diagnostics (NED)
  • Paccar Davie Software
  • Volvo VCADS/Tech Tool
  • WABCO Toolbox
  • ZF-Meritor TransSoft

Standards and Protocol Support

The standards and protocols supported by the DPA 5 are continuously maintained by our team of experts. DG staff members are actively involved in the Truck Maintenance Council’s (TMC) RP1210 and Society of Automotive Engineers (SAE) J2534 committees. This enables DG to say up to date with the standards and provide fleets with the best possible solutions to meet their diagnostic and reprogramming needs.

      Protocols Supported:

  • 2 Dual Wire CAN Channels  (J1939/CAN/ISO15765)
  • J1708 / J1587
  • ISO9141
  • ISO14230 / KWP2000
  • J1850 VPW
  • Single Wire CAN / J2411
  • ALDL

      Standards Supported:

  • TMC RP1210 (A, B and C) API
  • SAE J2534 API
  • SAE J1979
  • VEPS J2214 / J2461
  • CE Compliant Hardware
  • FCC/IC Certified Bluetooth