LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 88 (Electronic Control Modules (Service Information)) >> MODULE, Transmission Control >> Operation >> 3.7L Gas/3.0L Diesel Vehicles >> Shift Schedules

Shift Schedules

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

The basic shift schedule includes up and downshifts for all five gears. The TCM adapts the shift program according to driving style, accelerator pedal position and deviation of vehicle speed. Influencing factors are:

Upshift To:  1-2  2-3  3-4  4-5 
Activated By Solenoid:  1-2/4-5 2-3 3-4 1-2/4-5
Shift Point (at 35.2% of throttle)  17.8 km/h (11.6 mph) 32.1 km/h (19.95 mph) 67.5 km/h (41.94 mph) 73.8 km/h (45.86 mph)
Downshift From:  5-4  4-3  3-2  2-1 
Activated By Solenoid:  1-2/4-5 3-4 2-3 1-2/4-5
Shift Point  55.7 km/h (34.61 mph) 40.5 km/h (25.17 mph) 24.4 km/h (15.16 mph) 15.1 km/h (9.38 mph)