Ignitions and Electrical› Computers, Chips, Modules and Programmers
HP Tuners
~(3 lbs. 10X8X3)~ PCM - GM E41 12683624 / L5P (MUST CALL IN TO PLACE ORDER)
SKU: H007 ECM-00-L5P
Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | HP Tuners |
| Part Number | H007 ECM-00-L5P |
Videos
How to install the new GM E41 ECM Upgrade Kit | HP Tuners
How To Tune And Unlock Your L5P ECM With HP Tuners
HP Tuners' GM E41 ECM ( L5P) Exchange Service | HP Tuners
L5P ECM / TCM Removal And Replacement
How To Tune 2017-2019 L5P Duramax With HP Tuners
How to Remove Silverado/Sierra E41 ECM & T93 TCM | HP Tuners
New Direct OBDII Upgrade for L5P/L5D Custom Tuning | HP Tuners
L5P Unlock At Home With HPTuners E41 Unlock Tool Tutorial!
How To Remove Your GM L5P E41 ECM | HP Tuners
2017-2023 L5P + HP Tuners ECM Upgrade Walkthrough *UPDATED*
Everything you need to know about HP Tuners' ECM and PCM Services
2017-2023 L5P + HP Tuners ECM Upgrade Walkthrough
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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