GM > Transmission > Auto Shift Speed


Part Throttle Shift
These tables define the shift speed under non-WOT conditions. Tables are provided for Normal, Performance, Cruise and when the transmission is Hot. The shift speeds control both upshifts and downshifts.

Normal

Cruise Hot 4WD Low Performance Tap Up/Tap Down Safety Shifts


Wide Open Throttle (WOT) Shift Speed
These tables define the speed at which the Transmission will shift under WOT conditions. Note both Shift Speed and RPM (see below) must be exceeded for the transmission to shift. These controls are for upshifts only.

Normal

Performance Cruise Hot 4WD Low Tap Up/Tap Down Hot Engine


Wide Open Throttle (WOT) Shift RPM
These tables define the RPM at which the Transmission will shift under WOT conditions. Note both RPM and Shift Speed (see above) must be exceeded for the transmission to shift. These controls are for upshifts only.
Normal

Performance Cruise Hot 4WD Low Tap Up/Tap Down Hot Engine Full Throttle Enable WOT Shift Table Selects
This is the TPS threshold at which the transmission use WOT shifting behavior.