MM3 TUNER CUMMINS INSTALL

It does not matter if you already have custom tuning, a check engine light, or it's bone stock. We like to quote around 24 Hours (Monday - Friday) for you to receive your files back from us, however, you'll typically receive it back the same day. The sooner we get them, the sooner you'll receive your updated tune files. Once the stock files are retrieved, send them to with your order number as the subject line. Using your MM3 to retrieve your stock file is the first thing you'll use the device for. You can now plug everything else into the communications module and tie it up under your dash.įor reference, use the image below for how the MM3's Communication Module should look. Plug into your data port, and carefully route the cable through your firewall back to your MM3's Communication Module. The connecter can be found on the firewall side of the bottom of the intake manifold or behind your intake horn (on most trucks), the connecter will have a dummy plug inserted into it from the factory. Start by installing your J1939 Data Link Connector (AKA Shift on the Fly Cable). MM3 Package Contentsĭoes your MM3 look like this? Good. Once you get the device installed, you will need to use it to retrieve your stock file from the truck and send it to us before receiving your tune files.

MM3 TUNER CUMMINS INSTALL

The first thing to note about the install is that the MM3 will not come pre-loaded like most tuners on the market. We will touch base on the physical installation as well as the tuning portion of the install. This guide will walk you through the relatively simple process of getting your MM3 installed in your 1998-2020 Dodge Ram Diesel.

Email your Stock File to Download the Tune Files we send you.

Install your MM3 & Perform a Stock Read.

Mm3 tuner cummins