This application also includes a user interface where choices can be made depending on the ECU and what action to perform. We dismissed them as electronic gizmos that were all about engine control and had almost nothing to do with the transmission. This command includes information about which protocol to use, standard or extended CAN identifier or if ISO is used. When does the legislation take effect? PassThruReadMsgs Read message s from a protocol channel. The J API consists of a number of functions for communication which must be supported by both hardware tool and vehicle manufacturer application.

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Introduction to SAE J (Pass through) – Automotive Technology

Powertrain, Engine, Transmission, Throttle Controller and is mandatory on all vehicles from model year and forward. If an OEM cannot comply with J by model yearthey may request one year additional extension psssthru become J compliant.

In J was also included. Drew Technologies has conducted various training seminars on getting started with re-flashing. Drew Technologies advantages include top-quality technical support, no expensive “annual updates”, free software updates, and step-by-step walk-thru instructional videos.

The Passthru document withholds requirements for the hardware and software of a J tool.

Government regulations require all automakers provide a J service to everyone in the U. First, determine whether the vehicle needs to be reprogrammed. Had passhru working in 5 mins! One of the most important factors to consider in selecting your pass-thru tool is product support. European and US legislation requires vehicle manufacturers to make vehicles, diagnostic and reprogramming applications that are compatible with J devices.


SAE J compliant pass-thru vehicle interface. Contact our DrewTech sales team via Your pass-thru device software may have a toolbox that can assist you in navigating the OEM sites to make sure you access the programming you need.

The ECUs are often connected onto a communication bus to be able to share data between each other. Edge Analysis DataPro is the most complete, If you encounter issues during programming, never turn the ignition off: Not all pass-thru devices are the same.

Office hours are 8: We will provide you with that information.

SAE J Diagnostics and Reprogramming

Prevalent with European car makes, in some cases the OEM will require a direct connection between the vehicle, the in-shop PC running the reprogramming application software and the OEM server. The programming time varies among vehicles based on communication speed of the protocol used, calibration file size, total number of calibration files, the number of ECUs to reprogram, and Internet connection latter is dependent on OEM.

The connection and initialization gives the hardware tool information of which protocol that is used. If ECU reprogramming is practiced in the dealership, then it is the responsibility of each OEM to maintain and update their own sites, and keep current calibrations available for download.


No Line Rise after a Rebuild October 21, Before you begin programming, connect your battery maintainer to your vehicle battery. Most modern cars can now be reprogrammed using the J standard.

What is J2534?

It is important that this application conform to the functions in the J API. Drew Technologies supports more than 36 OEMs in reprogramming, and we have the most supported J devices avaliable. Some ECUs sends a lot of messages with short period of time between each message. Number of bids and bid amounts may be slightly out of date.

Combined the third-party diagnostic device,J and PDU programming tools which achieved the multi-purpose, multi-connected, powerful dual-mode vehicle diagnosis. How do you know for sure that they programmed the computer?

Vehicle diagnostics, key programming and key learning software

There is an installation reference included – but. This makes it difficult for a car, bus or truck workshop to analyze and repair all kind of vehicles. The customer’s PC is not under the control of Autologic Diagnostics at any stage.