E 450 V8-5.4L (2009)
Solenoid Operation Chart
a When a manual pull-in occurs above a calibrated speed, the transmission will not downshift from the higher gear until the vehicle speed drops below
this calibrated speed.
EC = Electronically Controlled.
HD = Hydraulically Disabled.
Shift Solenoid Failure Mode Chart "Always Off"
Failed off due to PCM and/or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck off.
*No engine braking.
Shift Solenoid Failure Mode Chart "Always On"
Failed on due to PCM and/or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck on.
*No engine braking.