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Firmware GPRP-DI Pro (M142).July 2022

M142 Firmware


GPRP-DI Pro (M142)
July 2022 (1.06)
GPRP-DI Pro (M142).July 2022


Available (extra cost)


Packages for this Version: July 2022
Name Version
GM LLT 3.6L TT - Tuning Base July 2022 (1.06.0552)
Release Notes


  • Add missing or useful channels to the ECU Transmit Custom channel selection list.


  • Update Help for ECU Transmit Custom items.
  • Fix Engine Efficiency Adaption from using an unpopulated table (after firmware update).
  • Update Min/Max validation limits for Engine Oil Pressure Control items.
  • Add Engine Output Test value of All Fuel Ignition. All fuel and ignition outputs will be driven like the engine is running.
  • Gear Shift Rev matching now allows for H Pattern gearboxes and if Wheel Speeds are not available (using GPS Speed)
  • Add Knock Cylinder N Mode of Frequency A B C D. Uses maximum knock level from the 4 frequencies.
  • Add Throttle Aim State of Throttle Area Invalid if the Throttle Area table has values that are not rising which prevent the Throttle from opening properly.


  • Update minimum system version to v1.04.00.0102
  • Revert change to inlet cam position with redundant ref issue. The fix was moved to the system version.


  • Engine Oil Pressure Control Integral calculation improved.
  • Engine Oil Pressure Control Integral Minimum and Maximum added.
  • Engine Oil Temperate axis added to Engine Oil Pressure Aim.
  • Fix Coolant Thermostat can fallback to using Coolant Temperature Head Sensor.
  • CAN Tx of Fuel Injector Primary Differential Pressure on ID 0x657 changed from 0.1kPa to 1kPa resolution. Previously the max pressure was 6.5MPa, not enough for DI.
  • Fix Inlet Manifold Pressure model calculation for dual bank, single throttle engines under certain conditions.


  • Fix Engine Efficiency Adaption disabled.


  • Initial release version, based on over 10 years of MoTeC torque control development.


The Options line indicates options that are associated with this. The association indicates how the option affects ordering.

  • Available: the option may be added to an order.
  • Included: the option will be added to the order, and not charged for.
  • Prerequisite: the option will be added to the order, and charged for.

The different Packages contain different tuning data.