Diagnostic Tool

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Service & Collision Information

Go to to access the Mitsubishi Service Information Retrieval website featuring: factory service manuals back to 1996 models; Technical Information Manuals; Body Repair Manuals; TSBs, recalls, and service campaigns back to 1982; OBD II information; technical training modules; PCM reprogramming information; and links to vendors for factory tools and printed information/manuals.

Reprogramming Information

Which models and model years are reprogrammable for which functions?

For reprogramming with either a J2534 device or the OEM scan tool (MUT-III):

  • Select models beginning with the 1998 model year
  • All models beginning with the 1999 model year
  • Emission and driveability issues related to engine and transmission control modules
  • PCM initialization procedures for replacement PCMs

How does a technician determine whether a recalibration update is available for a specific vehicle?

Go to, select the "J2534 Pass Thru" link at the top of the page, and click on the "TSB Update and Adapter Cable Chart" document to review a list of applicable reprogramming TSBs for a given model.

Use either "Update Manager A" software (available for download for legacy PCMs) or "PassThruCAN" software (available for download for newer, CAN-based PCMs) to retrieve the current calibration level of the controller.

This can be done on the free portion of the site.

How does a technician get the recalibration update information?

Subscribe to and based on the information retrieved from "Update Manager A" or "PassThruCAN", use the site search engine to retrieve the appropriate calibration and support files.  Download either Update Manager B (legacy PCMs) or PassThruCAN activation DLL (newer CAN-based PCMs) to apply the calibration file or perform initialization on newer CAN-based PCMs.

What equipment is needed to do the reprogramming?

A Mitsubishi validated J2534 device (validated devices are listed on the site). For some legacy models, an adapter cable is also needed (available for purchase on the site). The "TSB Update and Adapter Cable Chart" document mentioned above identifies the vehicle part number and applicability.


The Mitsubishi OEM scan tool can also be purchased and used to perform all programming/initialization functions, as well as other non-J2534 functions.

What system requirements are needed to support the reprogramming?

  • Windows 2000, Windows XP Pro. or Windows 7 (32-Bit) Computer
  • 256 MB RAM
  • 500 MB free hard drive space
  • 1024 x 768 (XGA) screen resolution
  • An internet connection for software activation