Some scan tools that connect to the internet also offer programming capabilities. Powertrain, Engine, Transmission, Throttle Controller and is mandatory on all vehicles from model year and forward. Most modern cars can now be reprogrammed using the J standard. This application will have complete information of the ECUs that are supported by the application. Make sure your computer is fully charged if using a laptop , or plug it in to an AC source. Contact our DrewTech sales team via

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J FAQs | Bosch Diagnostics

It is important that the developer of the firmware in the hardware tool follows the API and name the functions exactly as in the J description. The maximum length of the cable between the J device and the vehicle is 5 meters. Vehicle Healthcheck Let AssistPlus check your vehicles to ensure they are ready for Pass-Thru before connecting to the manufacturer’s subscription service. Drew Technologies has passghru various training seminars on getting started with re-flashing.

Performs the standard PassThru J passthr. A J compliant device for ECU reprogramming is considered a vehicle interface.

Vehicle diagnostics, key programming and key learning software

To determine this, visit the OEM web site figure 4 and download the software for your application. Drew Technologies continues its tradition of providing the most validated J devices on the market.

We continue to deal with the paswthru of whether the computer needs to be programmed, reset, or replaced. The functions in the J tool are linked to a passthu function in the application.


We have warehouses in multiple states. There are many Vehicle manufactures and almost as many different communication protocols.

Introduction to SAE J (Pass through) – Automotive Technology

Each manufacturer of a J tool hardware device must have a DLL-file which includes functions and routines for communicating with the PC. Getting the initial mechanics of the process can be challenging, but with practice, attention to detail, repetition, and passsthru reading to stay updated on procedures, it can become as easy as building a 4L60E.

This opens the door to electronic tool manufacturers to create an interface — also called a pass-thru device — at a passturu of the cost of the OEM tool, with universal coverage. Each vehicle manufacturer will have an own API software used for analyzing and programming of their vehicles.

Introduction to SAE J2534 (Pass through)

If you own a SAE J Pass-Thru device, you can re-flash and, in some cases, diagnose vehicles with factory functionality. This is a low-cost, high-performance vehicle network interface that connects a laptop directly to the Bus Every vehicle manufacturer has a tool for analyzing and reprogramming their product, and this tool is often expensive. J25534 your investment and customer value.

Add new skills into your repair shop to expand your services. Combined the third-party diagnostic device,J and PDU programming tools which achieved the multi-purpose, multi-connected, j253 dual-mode vehicle diagnosis. How do you know for sure that they programmed the passhru Powertrain, Engine, Transmission, Throttle Controller and is mandatory on all vehicles from model year and forward.


Features and Benefits Ethernet serial Both work hand in hand with the scan tool! The connection between the PC and the J hardware can freely chosen by the manufacturer of the device i. Compatible with Toyota Techstream, We have compiled some basic information on training and getting started from our experience:.

You’ll find details on reflashing for each automaker, tips to get started, OEM links with application information, and subscription costs. Notify me of new posts by email.

A vehicle repair workshop that wants to analyze and re-program vehicles from different manufactures must have an API for each. Most modern cars can now be reprogrammed using the J standard.

The J hardware interface should be able to provide a supply voltage between 5 and 20 volts to the J connector. Prevalent with European car makes, in some cases the OEM will require passthri direct connection between the vehicle, the in-shop PC running the reprogramming application software and the OEM server. If their vehicles only use i. The maximum source current is mA and the settling time should be within 1ms.