2010-2018 Ram 6.7L Cummins ECM Unlock & Tuning Cables

Unlock and accessory hardware for custom tuning on the 2010-2018 Ram 2500 and 3500 6.7L Cummins: the HP Tuners MPVI4 interface and the Calibrated Power Solutions no-drill DSP switch bracket. These are the pieces around a tune; the calibration itself still has to be licensed to your VIN and matched to your model year.

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Unlock and accessories for the 2010-2018 Ram 6.7L Cummins

Custom tuning takes more than a file. You need hardware that talks to the truck, a license tied to your VIN and ECM, and, if your setup uses one, a place to mount the switch. Unlock and licensing steps differ by tuning platform, so your tuner tells you what your VIN needs. On this truck, licenses split at 2013, when pickups moved from the NOx adsorber to SCR with DEF.

What we carry

  • HP Tuners MPVI4: the HP Tuners interface that links a laptop to the truck for tuning work.
  • Calibrated Power Solutions DSP Switch Bracket: a no-drill mount for the DSP switch. Its listing covers 2006-2022 5.9L and 6.7L Cummins trucks, so it spans the whole 2010-2018 run.

Browse more tuners or the Cummins parts hub.

Before you tune

Know what you can change. The ECM is tunable on 68RFE, G56 and Aisin trucks, but the Aisin AS69RC transmission computer is encrypted. Keep the calibration conservative: high-performance tunes clog the DPF, which shows up as frequent regens and DPF-full warnings. A tow or economy calibration with every emissions device active is the target, and owners in CARB states should ask for an EO number for their model year.

Fitment notes

Listed for 2010-2018 Ram 2500 and 3500 pickups with the 6.7L Cummins. Chassis cabs share the engine, but check them separately. Verify by VIN.

Frequently asked questions

Do I have to drill to mount the DSP switch?

Not with this bracket. The Calibrated Power Solutions DSP Switch Bracket is a no-drill mount, and its listing covers 2006-2022 5.9L and 6.7L Cummins trucks. If you are unsure about your interior, call us with your VIN.

What else do I need besides the MPVI4?

A calibration licensed to your VIN and ECM, written for your side of the 2013 split. On a 3500 with the Aisin, that calibration covers the engine only, because the Aisin transmission computer is encrypted.

Not sure what fits? Call the shop at the number in the header, or use the fitment checker on any product page. We install everything we sell.