Diag4 Bike AT 531 5091 – Serial Diagnostic System Software W/Bluetooth Interface


Serial Diagnostic System Software


Manufacturer # : AT 531 5091

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Professional diagnostic tool for Harley Davidson & Buell workshops and tuning centers. Diagnoses electronic fuel injection module (EFI) and others (Security modules, ABS, etc.) through the diagnostic connector. The system consists of a communication interface with Harley-Davidson adapter, USB cable for connection to your Laptop (PC) and software compatible with Windows XP, Vista, 7, 8 and 10. A wireless Bluetooth version of the interface is also available. An adapter for CAN-BUS models is included. The system performs the following functions and more. Software for Indian and Victory is also available.

  • Ignition Module
  • EFI (Electronic Fuel Injection Module) – All models
  • TSSM (Turn Signal Security Module)…………..Key FOB with button
  • HFSM (Hands Free Security Module)………….Key FOB without button
  • BCM (Body Control Module)………….Key FOB without button
  • Gauges (Speedo, Tach and Instrument Module) – All models
  • ABS Module (Delphi + CAN models) – All models
  • Radio and Audio all models
  • Thunder MAX EFI
  • Read and Clear Diagnostic Trouble Codes………………….All models
  • Read Identification data (part numbers, VIN number)……All models
  • Monitoring real-time data (throttle position, temperature, oxygen sensors, turn signals etc.)
  • Test actuators (injectors, coils, main relay, fuel pump, idle, turn signals, tachometer, lamps etc.)
  • Buell diagnostics are incorporated in Harley-Davidson diagnostics
  • Unit of measure selection metric/standard
  • Communication interface is CAN ready (models with 6-pin connector)
  • Module replacement ?TSM, TSSM, HFSM, BCM,
  • ABS Service (Bleeding and configuration, Delphi + CAN models) – All models
  • ACR (Automatic compression release during starting)
  • Cruise Control, Exhaust actuator, EITMS……enable/disable
  • Side Stand Switch Configuration – All Models
  • Intake Solenoid Valve Configuration on CAN Models
  • Radio customization-region code and speaker configuration, radio pairing
  • J&M Audio Configuration
  • ABS Telltale Configuration on CAN Models
  • Idle speed adjustment 800 – 1200 rpm (models with Delphi Electronic Fuel Injection Module)
  • TSSM Customization……PIN read/change, Auto arming disable/enable etc.
  • HFSM Customization……Key FOB assignment/replacement, Auto arming disable/enable, PIN read/change, Side car and Service Mode (disable/enable)
  • BCM Customization……..Key FOB assignment/replacement, Auto arming disable/enable, PIN read/change, Lights configuration, keyless ignition
  • Disarming (HFSM/BCM module)……..PIN read/FOB assignment on armed bike (for BCM modules a CAN disarming cable is needed)
  • Buell TPS adjustment
  • Dataloging
  • ABS Module (embedded/not embedded)
  • Speedo module pairing
  • Wheel size adjustment (Speedo calibration)
  • Odometer unit setting
Additional information
Weight 3.4 lbs
Dimensions 10 × 8.5 × 3.5 in


Diag4 Bike

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