Package Porsche 991.1 2014.January 2021 "Porsche 991.1 - Turbo - Base"

Current Version

• Removed Torque Demand Bias.

01.02.0080

• Added additional resolution to the clutch pressure logging.
• Clutch State will enter Take Off mode when indicated to do so by the Porsche TCM via Porsche TCM Take Off becoming Enabled.
• The following removed as a result:
• Clutch Slip Detection Post Take Off Delay
• Clutch Slip Detection Gear Input Shaft Speed Take Off
• The behavior of Gear Input Shaft Speed has been changed:
• Will be equal to Porsche TCM Engine Speed Expected when Clutch State is Take Off.
• Rolling Launch added.
• Driver Rolling Launch Switch added.
• Launch system requires that Porsche TCM Launch Request is Enabled before it will engage.

01.02.0042

• Added Fuel Pressure Direct Bank 1 Current Feed Forward. Informational channel to display the calculated feed forward.
• Fuel Pressure Direct Bank 1 Current Resistance is now a table. Tuning this table will improve the accuracy of the feed forward calculation.
• Fuel Pressure Direct Bank 1 Battery Voltage Filter added. Provides the fuel pressure control system with a separate battery voltage reading on it's own filter time constant for improved accuracy.
• Traction system disabled when Porsche TCM State is Down Shift.

01.02.0040

• Added Gear Idle Compensation.
• Renamed Porsche TCM Gear Input Shaft Speed to Porsche TCM Engine Speed Expected.
• Added Porsche TCM Gear Output Shaft Speed.
• Initial clutch relearn compatibility. Although the system will monitor for an active scan tool before the engine is started, Porsche TCM Logging can be disabled before using a diagnostic tool to ensure no collisions as they same protocol is used. Tested on 991.1 Turbo and 991.2 Turbo S variants with Snap On and Autel diagnostic tools.
• Added Gear Up Shift Decay Time.
• Updated up shift strategy -- See Gear Up Shift help for the details.
• System better mimics behavior seen in OEM data captures.
• Fuel Pressure Direct Bank 1 Control Feed Forward updated to reference Fuel Volume Per Cycle Primary.
• While feed forward must be retuned on existing packages migrating to this version, the effort rewards in more predictable fuel pressure control.
• Clutch Slip Control Tolerance added.
• Porsche TCM Logging updated and validated to function on 991.1 as well as 991.2 variants.
• Porsche TCM Clear updated and validated to function on 991.1 as well as 991.2 variants.

01.02.0001

• Initial release of the Porsche 991.1 package based on GPR-DI.