what would cause the 0411 ecm to not shift by RPM at full throttle , but shift on mph like normal drive mode?
Originally Posted by Spoolnsquirrels what would cause the 0411 ecm to not shift by RPM at full throttle , but shift on mph like normal drive mode? My guess would be one of the following: 1. ECM doesn?t detect/confirm WOT condition. 2. WOT shift RPM set lower than MPH 🤷🏾*♂️