Custom EFI Live tune for Cummins 5.9L and 6.7L Diesels - Offered in single tune or CSP4/5 format (4 or 5 Tunes on the fly).
Change your Cummins tune anytime without re-flashing. On the fly allows you to select the desired tune at your fingertips.
Single Tune: 2006-2021, CSP4: 2013-2018, CSP5 2006-2012 & 2019-2021
You will need a CSP5/CSP4 switch unless you select single tune.
Ordering Instructions:
1. Select Vehicle/Year
2. Select Single tune or CSP4/5 Format (CSP4/5 is 4 or 5 tunes on the fly changeable)
3. Select Desired Tunes. Single Tune - Select 1 tune, CSP4/5 - Select 4 or 5 tunes.
4. Select Transmission Type
5. Add trans tuning if desired - **Only avail for 68RFE trucks
6. Enter your VIN (Vehicle Identification Number)
7. Enter Autocal serial # if using an Autocal
9. List your trucks modifications
10. Enter Autocal serial # if using an Autocal device
11. Select if your device is linked to Dynamic Calibration or another tuner
**This custom tune will require flashing into the ECM via EFI Live. You must have an EFI Live device to flash into your vehicle, this is a tune only and does not include a device. If using an Autocal, it must be linked to Dynamic Calibration, we can help with that process if needed. If you need an EFI Live device, we offer EFI Live Autocals with tuning pre-installed in a device, ready to flash here: EFI Live Autocal v3 - Cummins