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Attention!

We typically ship most Monday through Thursdays. We will have reduced staff starting March 29th with daily shipping resuming around April 11th. There will still be 1 or 2 shipping days during that time, but not daily. You will receive an automated email with tracking information the evening your order ships. If you can't wait, consider purchasing from STM Tuned or email us for suggestions if you're outside the USA. We thank you for your patience!

 

What is J2534?

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  • J2534 refers to the document number of the SAE standard for "Recommended Practice for Pass-Thru Vehicle Programming".
  • The standard defines a general purpose Windows DLL API and hardware requirements to allow software to communicate on various vehicle busses in a hardware independent way.
  • Additional revisions of this standard include J2534-1 and J2534-2. The OpenPort 2.0 J2534 DLL primarily follows the specifications of J2534-1.