OCDiesel Blog

How to get your ECU/TCU Strategy from SCT X4 Tuner

Before you start! Make sure your vehicle is turned off, and plug in your SCT X4 to the OBD2 port. Once you have done both of these steps, we...

How to get a stock file with the MM3 Touchscreen Tuner

The steps below will show you how to get the Stock File for your MM3 Touchscreen Tuner. This allows your custom tuner to write tunes that can be flashed to...

How To Install a 2018-2022 Dodge Cummins Bypass Cable

1. Twist the tan and yellow wires so that there is at least one twist every two inches. 2. Carefully, remove the OBDII connector from the dash by depressing the...

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2017-2019 Duramax L5P Can Bus Plug Locations

Before you start! Make sure you have the correct Can Bus plugs for your trucks year. We HIGHLY, extra emphasis on HIGHLY, recommend getting your plugs from a trusted manufacturer. Yes there...

HP Tuners MPVI3: How To Get a Stock File

Before you can tune your truck using an HP Tuners MPVI3 device, you must get a stock read of the vehicle. Click here to learn how to properly get this...