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The HP Tuners GM E42 L5P Global B ECM Upgrade is an electronic control module upgrade for compatible GM applications; VIN and the vehicle's original ECM are required to complete the upgrade. This ECM modification entry specifies necessary documentation and the original module as part of the upgrade process, and is intended for vehicles using the E42 L5P calibration pathway.
HPT GM E42 L5P Global B ECM Upgrade (*VIN & Original ECM Required*)
