Conveniently upgrade your E41 ECM, found in the 2017+ Chevy Silverado and GMC Sierra 2500/3500 6.6L Duramax trucks (L5P and L5D applications), without removing it from the vehicle. Upgrade your E41 ECM in 20 minutes or less! This ECM upgrade kit enables read, write, and special functions in VCM Suite software using an MPVI2+ (with Pro Feature Set) or MPVI3 interface.
This item is compatible with the following BenchForce Products, allowing you to unlock the L5P and L5D ECMs outside of the vehicle, on the benchtop:
-
BF01051 Engine Module Bench Harness 17-23 GM E41 6.6L
- BF02698 BenchForce Pass Through Breakout Harness for E41 ECM Unlock
Update:
Direct OBDII upgrades are now available for some GM E41 ECMs!
2018-23 Chevy Silverado GMC Sierra 2500-3500 (L5P)
2019-23 Chevy Silverado GMC Sierra 4500-6500 (L5D)
*2017 and some early 2018 models still require an unlock service