Colorado/Canyon Duramax Compliant Engine/Trans tune Combo

Introductory special price of $1100 Regular price $1300

SKU: FT_XLDE_USA Category:

This product is not legal for sale in California. Please refer to our product policy page here: Green Diesel Engineering Product Policy

Colorado/Canyon Duramax Hot Tune/Trans Tune combo

This product is not legal for sale in California. Please refer to our product policy page here: Green Diesel Engineering Product Policy

Disclaimer: The GM E98 engine control unit in the Duramax 2.8L vehicles maintains a log of different files flashed into the ECU. Even if the ECU is flashed back to stock, this log will show that a non-factory flash was installed at some point in the past. In some cases GM requires this log to be submitted before warranty work is approved and completed. Please be aware of these considerations before making your purchase.
  • Fuel economy improvements 2-4mpg
  • Less turbo lag
  • Pedal response is more aggressive and decreased ECM torque filtering
  • Broader torque/power curve
  • Engine performance gains 40hp / 70lb-ft  —> View details here
  • 2017 and 2018 model years incur extra $50 for controller authorization processing necessary to interrogate the engine control module
  • Pricing includes engine tune, trans tune and AutoCal deployment tool
  • Tip start is active, so key does not have to remain in cranking position during starting
Transmission flash information
  • Improved usage of torque converter lock-up
  • Optimized shift points in normal “D” for part throttle fuel economy, WOT performance, and responsiveness
  • Tow/haul shift strategy optimized for operation in peak torque band engine speed range and better engine braking performance
As a matter of policy clarification we do not unlink AutoCals.

This product (flash tool device and electronic tuning file/data) is sold as-is. We offer a 72 hour exchange window (from date the shipment is delivered) on the flash tool device/hardware itself against manufacturing defects (inoperable touch screen, broken screen or cables, etc).

Because with the AutoCal there is no mechanism to ensure that a stock file has been reflashed before unlinking the tool, all sales are final for this product.

Weight 1.4 lbs
Dimensions 8 × 6 × 4 in


  GDE AutoCal V3 Instructions Repository

Regen Message

The regen message feature will notify of an active regen event in the cluster.  This message is active as long as the regen event is running.

This is a very useful feature for vehicles doing a lot of short trips to drive a bit longer when the regen needs to happen to prevent DPF plugging issues in the field.  It is also a cool message to see and better understand what the vehicle is doing.


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