Article no.:
ECM-00-L5P-U
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HPT L5P ECM Upgrade (*Original ECM Required*)
Unlock the full potential of your 2017+ Chevrolet Silverado and GMC Sierra 2500/3500 6.6L Duramax with the HP Tuners E41 ECM Upgrade service. This one-time send-in service allows you to upgrade your original E41 ECM for tuning and diagnostics.
With the HPT L5P ECM Upgrade, you'll gain access to advanced tuning capabilities and enhanced diagnostics. Simply send your original E41 ECM to HP Tuners, and their expert team will upgrade it for you.
- Upgrade your original E41 ECM for tuning and diagnostics
- Send-in, one-time service for convenience
- Unlock advanced tuning capabilities and enhanced diagnostics
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| Chevrolet | Silverado 2500 HD | 2017 | High Country |
| Chevrolet | Silverado 2500 HD | 2017 | LT |
| Chevrolet | Silverado 2500 HD | 2017 | LTZ |
| Chevrolet | Silverado 2500 HD | 2017 | WT |
| Chevrolet | Silverado 2500 HD | 2018 | High Country |
| Chevrolet | Silverado 2500 HD | 2018 | LT |
| Chevrolet | Silverado 2500 HD | 2018 | LTZ |
| Chevrolet | Silverado 2500 HD | 2018 | WT |
| Chevrolet | Silverado 2500 HD | 2019 | High Country |
| Chevrolet | Silverado 2500 HD | 2019 | LT |
| Chevrolet | Silverado 2500 HD | 2019 | LTZ |
| Chevrolet | Silverado 2500 HD | 2019 | WT |
| Chevrolet | Silverado 2500 HD | 2020 | High Country |
| Chevrolet | Silverado 2500 HD | 2020 | LT |
| Chevrolet | Silverado 2500 HD | 2020 | LTZ |
| Chevrolet | Silverado 2500 HD | 2020 | WT |
| Chevrolet | Silverado 2500 HD | 2021 | Custom |
| Chevrolet | Silverado 2500 HD | 2021 | High Country |
| Chevrolet | Silverado 2500 HD | 2021 | LT |
| Chevrolet | Silverado 2500 HD | 2021 | LTZ |
| Chevrolet | Silverado 2500 HD | 2021 | WT |
| Chevrolet | Silverado 2500 HD | 2022 | Custom |
| Chevrolet | Silverado 2500 HD | 2022 | High Country |
| Chevrolet | Silverado 2500 HD | 2022 | LT |
| Chevrolet | Silverado 2500 HD | 2022 | LTZ |
| Chevrolet | Silverado 2500 HD | 2022 | WT |
| Chevrolet | Silverado 3500 HD | 2017 | High Country |
| Chevrolet | Silverado 3500 HD | 2017 | LT |
| Chevrolet | Silverado 3500 HD | 2017 | LTZ |
| Chevrolet | Silverado 3500 HD | 2017 | WT |
| Chevrolet | Silverado 3500 HD | 2018 | High Country |
| Chevrolet | Silverado 3500 HD | 2018 | LT |
| Chevrolet | Silverado 3500 HD | 2018 | LTZ |
| Chevrolet | Silverado 3500 HD | 2018 | WT |
| Chevrolet | Silverado 3500 HD | 2019 | High Country |
| Chevrolet | Silverado 3500 HD | 2019 | LT |
| Chevrolet | Silverado 3500 HD | 2019 | LTZ |
| Chevrolet | Silverado 3500 HD | 2019 | WT |
| Chevrolet | Silverado 3500 HD | 2020 | High Country |
| Chevrolet | Silverado 3500 HD | 2020 | LT |
| Chevrolet | Silverado 3500 HD | 2020 | LTZ |
| Chevrolet | Silverado 3500 HD | 2020 | WT |
| Chevrolet | Silverado 3500 HD | 2021 | High Country |
| Chevrolet | Silverado 3500 HD | 2021 | LT |
| Chevrolet | Silverado 3500 HD | 2021 | LTZ |
| Chevrolet | Silverado 3500 HD | 2021 | WT |
| Chevrolet | Silverado 3500 HD | 2022 | High Country |
| Chevrolet | Silverado 3500 HD | 2022 | LT |
| Chevrolet | Silverado 3500 HD | 2022 | LTZ |
| Chevrolet | Silverado 3500 HD | 2022 | WT |
| GMC | Sierra 2500 HD | 2017 | Base |
| GMC | Sierra 2500 HD | 2017 | Denali |
| GMC | Sierra 2500 HD | 2017 | SLE |
| GMC | Sierra 2500 HD | 2017 | SLT |
| GMC | Sierra 2500 HD | 2018 | Base |
| GMC | Sierra 2500 HD | 2018 | Denali |
| GMC | Sierra 2500 HD | 2018 | SLE |
| GMC | Sierra 2500 HD | 2018 | SLT |
| GMC | Sierra 2500 HD | 2019 | Base |
| GMC | Sierra 2500 HD | 2019 | Denali |
| GMC | Sierra 2500 HD | 2019 | SLE |
| GMC | Sierra 2500 HD | 2019 | SLT |
| GMC | Sierra 2500 HD | 2020 | AT4 |
| GMC | Sierra 2500 HD | 2020 | Base |
| GMC | Sierra 2500 HD | 2020 | Denali |
| GMC | Sierra 2500 HD | 2020 | SLE |
| GMC | Sierra 2500 HD | 2020 | SLT |
| GMC | Sierra 2500 HD | 2021 | AT4 |
| GMC | Sierra 2500 HD | 2021 | Base |
| GMC | Sierra 2500 HD | 2021 | Denali |
| GMC | Sierra 2500 HD | 2021 | SLE |
| GMC | Sierra 2500 HD | 2021 | SLT |
| GMC | Sierra 2500 HD | 2022 | AT4 |
| GMC | Sierra 2500 HD | 2022 | Denali |
| GMC | Sierra 2500 HD | 2022 | Pro |
| GMC | Sierra 2500 HD | 2022 | SLE |
| GMC | Sierra 2500 HD | 2022 | SLT |
| GMC | Sierra 3500 HD | 2017 | Base |
| GMC | Sierra 3500 HD | 2017 | Denali |
| GMC | Sierra 3500 HD | 2017 | SLE |
| GMC | Sierra 3500 HD | 2017 | SLT |
| GMC | Sierra 3500 HD | 2018 | Base |
| GMC | Sierra 3500 HD | 2018 | Denali |
| GMC | Sierra 3500 HD | 2018 | SLE |
| GMC | Sierra 3500 HD | 2018 | SLT |
| GMC | Sierra 3500 HD | 2019 | Base |
| GMC | Sierra 3500 HD | 2019 | Denali |
| GMC | Sierra 3500 HD | 2019 | SLE |
| GMC | Sierra 3500 HD | 2019 | SLT |
| GMC | Sierra 3500 HD | 2020 | AT4 |
| GMC | Sierra 3500 HD | 2020 | Base |
| GMC | Sierra 3500 HD | 2020 | Denali |
| GMC | Sierra 3500 HD | 2020 | SLE |
| GMC | Sierra 3500 HD | 2020 | SLT |
| GMC | Sierra 3500 HD | 2021 | AT4 |
| GMC | Sierra 3500 HD | 2021 | Base |
| GMC | Sierra 3500 HD | 2021 | Denali |
| GMC | Sierra 3500 HD | 2021 | SLE |
| GMC | Sierra 3500 HD | 2021 | SLT |
| GMC | Sierra 3500 HD | 2022 | AT4 |
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