L5P Duramax Tuning with Flashpaq is even better, with NO ECM SEND-IN!
Superchips' handheld tuner now includes an at-home ECM unlock solution for the 2017-2019 GM Diesels
L5P Tuning for Mileage, Power and Towing
2017-2019 GM Diesel tuning for Silverado HD and Sierra HD is finally here with the all-new Flashpaq 2847-DS. Our calibrations team spent a lot of time perfecting our tunes to give you everything you’ve come to expect from a Superchips device. By adjusting torque outputs at lower pedal inputs, you’ll love the new throttle response. Adjustments to rail pressure and injection timing offer better power and torque throughout the RPM range, while helping to improve fuel economy as well.
On top of our performance tuning, Flashpaq also offers custom features like speedometer calibration for tire size and gear ratio changes, speed limiter adjustment, independent adjustment of TPMS threshold for front and rear axles, Manual DPF Regen, Adaptive Transmission Relearn, Temporary Engine Idle Up for winches and electrical accessories, along with the ability to read and clear codes and log streaming engine management data.
Kit includes everything needed to unlock vehicle ECM with NO SEND-IN REQUIRED
Great news for owners of 2017-2019 Duramax L5P truck owners: You no longer have to remove the ECM from your truck to send it in for an unlock procedure. For details, see GETTING STARTED WITH STEP 1 below.
2017-2019 L5P GM Duramax Flashpaq performance programmer (PN 2848-DS) now includes hardware and software to UNLOCK THE ECM IN THE FIELD, which means it is not necessary to remove the ECM from the vehicle and send it in. This also means you’ll be tuning your truck in minutes, with NO VEHICLE DOWNTIME shipping parts back and forth.
NOTICE: Starting immediately, all tuning kits sold for 2017-2019 L5P trucks will come with the harness to complete the unlock at home, and submitting this form is only necessary if you have the older kit #2847-DS: Send-In Form
Please don’t hesitate to call our team with any questions or concerns as we transition to our new kit and at-home procedure: 888-227-2447
Keep Last Drive Mode and Adjustable Pedal Booster
All-new to this device is our ‘Keep Drive Modes’ feature which will remember your last driver settings for Exhaust Braking, Tow/Haul mode, and Grade Braking. This means you no longer have to manually turn those features on every time you restart your truck.
Flashpaq also offers the ability to adjust throttle-pedal sensitivity in the device’s menus with our built-in Throttle Booster feature while loading the selected tune. Every owner has their own preferences in feel response, and with Flashpaq for 2017-2019 GM Diesel, you be able to set it exactly how you want it. Flashpaq allows an increase in throttle sensitivity from 0-50% above our calibration to optimize your driving experience.
Lets Talk Power!
Flashpaq offers up to an additional 150-horsepower and 350ft-lbs torque! Once the ECM is unlocked with the included software and harness (a one-time operation to the vehicle), our pre-loaded tunes can be flashed into the truck to fine tune it for daily driving, towing, fuel mileage or all-out performance. Our tuning has gone through extensive testing and is proven to perform without undue stress on an otherwise stock truck.
Mileage XS 100hp/200tq
Heavy Tow 75hp/150tq
Tow Performance 125hp/250tq
These results are from our fleets 2017 crew cab short bed truck, with no modification outside our Flashpaq’s Performance tune. How’s that for proof? Also, see the dyno charts below.
What do I do once I have my new Flashpaq?
Everything you’ll need to know to add lots of useful power is just below in GETTING STARTED WITH STEP 1.
- The ECM unlock is a one-time procedure, and will never have to be repeated on the same vehicle.
- Each Flashpaq #2848-DS will only be capable of unlocking one vehicle.
GETTING STARTED WITH STEP 1:
To unlock your ECM with Flashpaq and Harness with new kit #2848-DS, follow the steps in the document linked here to prep your ECM for tuning: Unlock_Cable_Installation_Instructions for 2017-2019 Duramax L5P
- This is a one-time procedure, and will never have to be repeated on the same vehicle.
- Each Flashpaq kit will only be capable of unlocking one vehicle.
Follow along here if you would prefer a video guide on how to unlock your ECM with Flashpaq 2848-DS.
Once your 2017-2019 L5P’s ECM is unlocked, this video will outline loading a tune and making your own adjustments with a Superchips Flashpaq.
ATTENTION: The instructions in this video are only necessary if you have discontinued kit #2847-DS:
Owners of new kit #2848-DS will use the written instructions above under “GETTING STARTED WITH STEP 1″.