2001 - 2016 GM 6.6L Duramax | NEW TCM Retune by PPEI (PP-NTR-TU)

PPEI TCM retune / replacement service

Part / service PP-NTR-TU from PPEI.

PPEI service to retune or prepare a TCM for the diesel HD application listed.

Confirm tool compatibility and vehicle configuration before ordering — flashing requirements vary by year and ECM/TCM.

Who it's for

Diesel HD owners who already have (or are buying) a compatible flashing tool and want PPEI’s transmission calibration or TCM service for the platform listed.

Key specs (per PPEI)

What's included

• TCM retune / prep service as PPEI packages this PN
• Follow PPEI’s mail-in / shipping checklist

Fitment notes

• Confirm engine, years, transmission, and ECM/TCM against PPEI’s product page for PP-NTR-TU.
• Have the correct flashing device and licenses before purchase.
• Application notes: GM Duramax Ram / Dodge Cummins 2001-2016.

Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.