![]() The Chrysler J2534 Flash Application provides ECU reprogramming support for emission control modules only (ECM, PCM, TCM and CTV). This application is applicable for 2009 and prior model years. The New J2534 Application provides support for 2010 or newer vehicles and includes the following features: ECU reprogramming files are automatically downloaded via the application J2534 Applicable ECUs can be reprogrammed, if a flash is available Required ECU applicable routines are available after ECU reprogramming or ECU replacement. An internet connection and bandwidth (1.5 Mbps) is required for access to the TechAuthority website. PLEASE NOTE: The witech Help Desk does NOT ACCEPT CALLS regarding J2534 issues or questions. Please refer to section 4.0 of this document for more details. J2534 Knowledge Base It is strongly advised that J2534 users review all associated documentation BEFORE using the J2534 Application. ECU reprogramming support requires an understanding of vehicle diagnostics, ECU communications and vehicle electrical architecture. ![]() ![]() A misunderstanding of what is required to perform ECU reprogramming on Chrysler supported vehicles can lead to a frustrating and unsuccessful experience.Ĥ P a g e 4 Chrysler recommended J2534 devices Adaptor Requirementsĥ P a g e 5 Section 1.0 TechAuthority 1.0 The TechAuthority website at provides aftermarket users with access to purchase a subscription to TechAuthority Online, which provides access to: The J2534 Application J2534 applicable ECU flash files. Technical Service Bulletins (TSBs) Service Diagnostic Procedures Chrysler Wiring Diagrams The information below is provided as a reference only. For additional details, please visit the TechAuthority website at NOTE: Access to TechAuthority Online requires TechAuthority registration and a purchased subscription to TechAuthority Online. ![]() Users must select the TechAuthority Online Sign In link to log in TechAuthority Registration To use TechAuthority for Chrysler vehicles first register for a user account with as shown below.Ħ P a g e TechAuthority Online Subscription To log into TechAuthority Online: 1. ![]()
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