Watch the video to see how simple the Pass Thru Assistant is to use.



Optional BMW cable

Pass Thru Assistant


The Snap-on Pass Thru Assistant

OEM-level reprogramming made easy. With the Snap-on Pass Thru Assistant you can replace the existing software/firmware in electronic control units (ECUs) with updated OEM software. Fix software-controlled driveability issues and emission issues, program new ECUs. You simply have to connect the device, call a number and the rest is taken care of.


Pass Thru Assistant Features

The Pass Thru Assistant provides you with the simple way of offering reprogramming for your customers. The Pass Thru Assistant can program emission-related ECUs on any J2534-compliant vehicle, using software provided directly from automotive manufacturers*.

Meets SAE J2534 reprogramming standards which are required standard for every auto sold in the US since model year 2004.

Compatible with SAE J2534-1 and J2534-2 including 04.04 and v500 API reprogramming standards for every automaker.

The best part about all of this is that this unique product handles the whole process for you.

We understand that J2534 programming can be a difficult task. The Pass Thru Assistant takes the worry away for you. You simply have to connect the device to the vehicle, call our helpline (appointment service) and the rest of the process is handled remotely for you, leaving you free to carry on with other tasks in your shop.

If you’re an Automotive Repair or Collision Shop, or if you’re a Technician, the Pass Thru Assistant is the solution for you!

  • Finish the job correctly
  • Keep the vehicle in your shop
  • Increase profits
  • Increase customer satisfaction

Supported Brands

  • BMW (Cable sold seperately)
  • Chrysler  
  • Ford
  • GM 
  • Honda/Acura
  • Hyundai
  • Kia
  • Mercedes-Benz
  • Nissan
  • Toyota/Lexus/Scion

Snap-on EETA314A Includes

  • Pass Thru Assistant
  • 6 ft USB PC-interface cable 
  • 6 ft J1962 vehicle interface cable 
  • User manual


* A customer agreement is required to activate these services. Click here to activate the agreement


Got Questions?

Get Answers Here
Car & Light Truck Diagnostics

Send e-mail
(800) 424-7226

Heavy-Duty Truck Diagnostics

Contact us here
(800) 311-5452

Request Product Information

Snap-on Diagnostic Tools and

Repair Information

Snap-on is a trademark of Snap-on Incorporated.

All other marks are marks of their respective holders.

©2020 Snap-on Incorporated. All Rights Reserved.

Got Questions?

Request Product Information

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Contact Diagnostic Customer Care

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(800) 424-7226

Mon - Fri 6am - 5pm PST


Product Registration:

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