Tuning Wiki

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Page organisation in this revision
Page type
Technical article
Subject
Flash & Device Programmers
Parent
Section level
Applies to
No ECU-specific applicability
Tool groups
Diagnostic tools, Flashing and tuning tools
Manufacturers
None

Snap-on describes Pass Thru Pro IV as a J2534 vehicle communication interface supplied with device drivers for use with vehicle-manufacturer software to program emission-related ECUs. OEM subscriptions and requirements are separate.

See Snap-on PassThru devices.

Vehicle coverage, functions, vehicle-maker approval, operating system, driver version, subscriptions and security authorisation must be checked for the exact vehicle and job. Follow the vehicle manufacturer’s programming procedure and specified stable power supply. A J2534 interface does not by itself supply OEM software or guarantee every function.

PassThru devices directory

Source

Manufacturer product or support information, accessed 10 November 2026.