Optimized Stock ECM Tuning incl. Hardware & Credits - Duramax L5P (2020-2021)filter sort
L5P ECMs IN STOCK READY TO SHIP!
All ECM sales are final.
Improve the performance on your 2020-21 Chevy Silverado or GMC Sierra with very little power added. HP Tuners hardware and credits included.
Optimized Stock Tune
- Refined factory settings
- Smoother running engine & power delivery
- Reduced exhaust temperatures
- +15 RWHP, + 10 ft-lbs torque over factory
- Leaves factory rev limit in place
Included in Our Price
Modified ECM Purchase (Engine Control Module)
- We ship a modified unlocked ECM once in stock
- Call us for current estimates on ECM delivery time frame
- Allows continued use of your truck vs removing & shipping your existing ECM
- Keep your original ECM if you ever trade or need dealer servicing
- No core purchase required
HP Tuners MPVI3 Hardware
- Bluetooth, Expansion Port, Mobile Device Support
- Read your engine, Write our tested Tunes, Drive better
- VCM (Vehicle Control Module) Editor, Scanner and USB cables
- Most powerful scanning, diagnostic and logging
8 HP Universal Credits
CAN Communication Harness
- used when exhaust sensors are disconnected
- communicates with the fuel tank level
- re-establishes communication between ECM & fuel tank components
Transmission tuning not yet available on 2020, 2021 models
Motor Ops uses the latest calibration information available when processing your custom ECM tuning. It is advised that all 2020+ truck owners consult their GM Dealer to ensure the TCM has the latest calibration update available. If after programming there is a Reduced Power message and/or U0101 DTC, it is likely that the ECM was updated but the TCM was not. Please reprogram the TCM.
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