HP Tuners

HPT L5P ECM Upgrade (*Original ECM Required*)

HPTECM-00-L5P-U
$1,035.99 AUD
Price Includes all Duties & Taxes
Shipping from USA warehouse. 2–3 day processing; 7–10 day delivery. Special-order dispatch timing to be confirmed. Bulky or heavy items may require a freight quote.

Special Order — Average 2-3 month wait time. If stock indicated, usual dispatch time applies.

Product details

GM E41 ECM Services (L5P) - GM E41 ECM Upgrade

  • No "Replace ECM" function
  • No crank relearn
  • No IMMO relearn

This Part Fits:

Year Make Model Submodel
2021-2022 Chevrolet Silverado 2500 HD Custom
2017-2022 Chevrolet Silverado 2500 HD High Country
2017-2022 Chevrolet Silverado 2500 HD LT
2017-2022 Chevrolet Silverado 2500 HD LTZ
2017-2022 Chevrolet Silverado 2500 HD WT
2017-2022 Chevrolet Silverado 3500 HD High Country
2017-2022 Chevrolet Silverado 3500 HD LT
2017-2022 Chevrolet Silverado 3500 HD LTZ
2017-2022 Chevrolet Silverado 3500 HD WT
2020-2022 GMC Sierra 2500 HD AT4
2017-2021 GMC Sierra 2500 HD Base
2017-2022 GMC Sierra 2500 HD Denali
2022 GMC Sierra 2500 HD Pro
2017-2022 GMC Sierra 2500 HD SLE
2017-2022 GMC Sierra 2500 HD SLT
2020-2022 GMC Sierra 3500 HD AT4
2017-2021 GMC Sierra 3500 HD Base
2017-2022 GMC Sierra 3500 HD Denali
2022 GMC Sierra 3500 HD Pro
2017-2022 GMC Sierra 3500 HD SLE
2017-2022 GMC Sierra 3500 HD SLT

Why buy from us?

Built by enthusiasts, for enthusiasts – we live and breathe this

Only premium, proven brands – no compromises on quality

Guaranteed fitment – get it right the first time, every time

Personal, knowledgeable support – we treat your build like our own