Below is the firmware revision history for the Copperhead ECU. Date: January 24, 2015 Revision: 2.3a 1) Fixed issue where misfires could occur under special conditions. Date: August 21, 2013 Revision: 2.3 1) Fixed issue where update via Memory Pod may result in poor operation. Date: July 1, 2013 Revision: 2.2 1) Changed Battery clip storage method. 2) Improved MAP read for better throttle response and operation. 3) Fixed glitch filter that was causing starting issues on some machines. Date: May 15, 2013 Revision: 2.1d 1) Filter off first battery reading for better starts/operation. Date: May 8, 2013 Revision: 2.1c 1) Added self-reseting battery error indicator. Date: May 6, 2013 Revision: 2.1b 1) Fixed map switch wasn't read properly on startup in version 2.x. 2) Fix timing error on spark duration. 3) Addressed timing issue that could result in bad battery reading. Date: April 29, 2013 Revision: 2.1a 1) Fixed battery reading issue. 2) Fixed MAP read sync. Date: April 12, 2013 Revision: 2.1 1) Fixed starting to running fuel transition that could cause rich idling/stalling after start. Date: April 9, 2013 Revision: 2.0c 1) Fixed EFI sensor timing during non-running. Date: March 18, 2013 Revision: 2.0b 1) Fixed EFI sensor read during non-running. Date: March 2, 2013 Revision: 2.0a 1) Added TPS adjustment support for Live Tuner. Date: January 5, 2013 Revision: 2.0 1) Added Live Tuner support. Fixes to starting. Date: October 11, 2011 Revision: 1.3 1) Changed the map loading indication to flash the status light until the map has completed loading, and then switch to solid status light to eliminate confusion about map loading. 2) Changed Afterstart Cycle Hold to prevent engine from starting until the entered number of rotations occur. Used for machines that tend to be hard (rich) starting. Date: May 19, 2010 Revision: 1.2c 1) Increased the transition rate from start to run fuel to prevent warm start stalls. Date: March 31, 2010 Revision: 1.2a 1) Fixed bug in real time clock that could cause stalling on second boundaries. Date: March 30, 2010 Revision: 1.2 1) Changed the EEPROM loaded to a quick status light flash. 2) Changed the transition from start to run fuel to prevent start/stall issues. 3) Fixed bug where flood clear threshold was loaded in /10 which was causing the injector not to fire when cranking on some machines. 4) Fixed bug where afterstart enrichment wasn't applying properly required an artificially large cycles in the map. 5) Added an offset where the coolant temp < cold crank temp, then the value in cold crank steps (ms x10) will be added to the start fuel. Will aid in cold starting on this non-ISC machine. Date: December 1, 2009 Revision: 1.1b (KQ450) 1) Added live tuning and diagnostic plug-in to allow the ECU to change timing/fuel on the fly and output diagnostic information while the engine is running (more information, hardware requirements, and PC application to follow).