gdp tuning

Duramax Shift on the Fly Upgrade - Includes Switch

Thoroughbred Sku #: GDPRPEFIDSP5LML

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Product Details

Product Name: EFI LIVE Chevy/GMC Duramax DSP5 Support Package (Tune File ONLY)
Manufacturer: GDP Tuning
Manufacture Part #: RPEFIDSP5LML
Thoroughbred Diesel Part #: GDPRPEFIDSP5LML
Fitment Notes: 2011-2016 Chevy Duramax

Tune File only. You must already own an AutoCal or V2. A VIN License and switch will need to be purchased separately.

You will need the following information when purchasing this product:

  • Truck Year
  • VIN Number
  • AutoCal Serial Number
  • ECM Serial Number

Important Note:

  • ECM Serial Number is found in the stock tune

After placing your order one of our Duramax specialist will call you to ask questions about your truck such as VIN #, tire size and turbo/injector/engine information. Feel free to call us at 866-737-4966 with any questions.

2011-2016 Power Levels

Switch Position Power Level Name HP Rating
Position #1
No Power
Position #2
Position #3
Position #4
Position #5


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