Transmission Tune with TCM Purchase for HP Tuners MPVI3 Duramax L5P (2017-2019)

If you have Motor Ops ECM tuning, you can add transmission tuning with an online purchase. If you have not done Motor Ops ECM tuning, please call us.

• Revised shift schedule to improve drive-ability
• Keeps the truck on top of the turbo
• Improved shift timing
• Re-designed torque converter lock-up strategy
• Allows power transfer from the engine to the wheels more directly
• Adjust commanded transmission line pressure to ensure that you are getting the correct pressure applied in each gear.
• Increased holding capacity
• Create shifts that are much firmer feeling