Quick Overview This fits your . Make sure this fits by entering your model number. [Part use](1)Connect With A Diagnostic Code Reader.(2)Flash A Tune With EFILive.(3)Change Tire Size With EZ Lynk.(4)MM3 If Your Security Module Fails. [Adapted models]Whautole Replacement OBD2 wiring harness,For 2018+ Dodge Cummins RAM,This Cable Can Be Used Over And Over And Doesn't Have To Be Permanently Installed. [COMPATIBILITY] The cables are perfectly compatible with your vehicle, these data transmission cables are made from sturdy wire harnesses, no modification required, ready to use! [Quality Assurance] Whautole is a brand of automobile modification parts,Specializing wiring harness Parts Compatible with Cummins, Parts are flawless , 100% inspection before leaving the factory! [Customer Service]:You will get 24-months service, hassle-free return and money back policy, buy with confidence! If you have any questions, please contact us by email, we will reply you within 12 hours.