SNKEBIT 2 Posted October 18, 2013 Will an '01 HO ECM work on my SO 99? Share this post Link to post Share on other sites
Mopar1973Man 6,130 5 Vehicles Posted October 19, 2013 Only if its reflashed with 99 software. Share this post Link to post Share on other sites
SNKEBIT 2 Posted October 19, 2013 Are the engines that much different? Share this post Link to post Share on other sites
Wild and Free 1,169 Posted October 19, 2013 Not that the engine is different as it is the engine controls and sensors change with epa changes for emissions and the way it comunicates with the pcm changes with tranny and chassis changes from year to year. It is a simple 10-15 minute flash at the dealer but they will charge you an hour flat rate fee. Share this post Link to post Share on other sites
Mopar1973Man 6,130 5 Vehicles Posted October 19, 2013 Not that the engine is different as it is the engine controls and sensors change with epa changes for emissions and the way it comunicates with the pcm changes with tranny and chassis changes from year to year. It is a simple 10-15 minute flash at the dealer but they will charge you an hour flat rate fee. Like you got federal emissions, California emissions, Canadian emissions, automatic transmission, manual transmission, SO vs. HO software, etc. I heard there is like 40 to 50 different versions of software. Share this post Link to post Share on other sites