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HP Tuners E41 ECM Service (2017-2023 Silverado / Sierra 2500/3500 6.6L L5P)

HP Tuners E41 ECM Service (2017-2023 Silverado / Sierra 2500/3500 6.6L L5P)

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Item#:
ecm-00-l5p
$649.99 - $1,499.99
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HP Tuners GM E41 ECM Service (L5P 6.6L Duramax)

Unlock full tuning capability for your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 equipped with the 6.6L Duramax L5P engine using the HP Tuners GM E41 ECM Service. This solution allows you to calibrate, scan, and data log directly through the OBDII port using HP Tuners VCM Suite and an MPVI interface.

Choose between a send-in upgrade service or a brand-new upgraded ECM to get your truck ready for custom tuning quickly and efficiently.

Service Options

  • Upgrade Service: Send in your original or spare ECM to be upgraded for tuning capability
  • New ECM Purchase: Buy a brand-new, fully upgraded ECM for faster turnaround

Upgrade Service Overview

This one-time service upgrades your existing E41 ECM to allow tuning through HP Tuners VCM Suite.

  • Enables tuning via OBDII using VCM Suite (BETA)
  • No VIN required for upgrade
  • ECM returned with original programming intact
  • 1-3 business day turnaround (excluding shipping)

Upgrade Service Benefits

  • No IMMO relearn required
  • No crank relearn required
  • No Replace ECM function needed in VCM Scanner

Important Requirements

  • ECM must not have broken locking tabs or damaged connectors
  • This is a send-in service requiring ECM removal and shipment
  • If installing into a different vehicle, ECM Exchange Service is required

New ECM Purchase Option

For faster installation, you can purchase a brand-new upgraded ECM ready for tuning.

  • No downtime waiting for your original ECM to be upgraded
  • Pre-upgraded and ready for installation
  • Ideal for quick turnaround builds

What You Need to Tune

  • HP Tuners MPVI2, MPVI2+, or MPVI3 interface
  • Latest version of VCM Suite (BETA)
  • (8) Universal Credits required for licensing (sold separately)

Shipping Information (Upgrade Service)

HP Tuners (ATT: L5P ECM Service)
700 Eastwood Ln
Buffalo Grove, IL 60089

Additional Notes

  • No programming changes are performed during upgrade service
  • Credits are not included and must be purchased separately
  • Ensure compatibility and application before purchase

Fitment

- 2017 Chevrolet Silverado 2500HD 6.6L Duramax L5P
- 2017 Chevrolet Silverado 3500HD 6.6L Duramax L5P
- 2018 Chevrolet Silverado 2500HD 6.6L Duramax L5P
- 2018 Chevrolet Silverado 3500HD 6.6L Duramax L5P
- 2019 Chevrolet Silverado 2500HD 6.6L Duramax L5P
- 2019 Chevrolet Silverado 3500HD 6.6L Duramax L5P
- 2020 Chevrolet Silverado 2500HD 6.6L Duramax L5P
- 2020 Chevrolet Silverado 3500HD 6.6L Duramax L5P
- 2017 GMC Sierra 2500HD 6.6L Duramax L5P
- 2017 GMC Sierra 3500HD 6.6L Duramax L5P
- 2018 GMC Sierra 2500HD 6.6L Duramax L5P
- 2018 GMC Sierra 3500HD 6.6L Duramax L5P
- 2019 GMC Sierra 2500HD 6.6L Duramax L5P
- 2019 GMC Sierra 3500HD 6.6L Duramax L5P
- 2020 GMC Sierra 2500HD 6.6L Duramax L5P
- 2020 GMC Sierra 3500HD 6.6L Duramax L5P

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