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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Electronic Control Modules (Service Information) >> Electronic Control Modules >> Module-Transmission Control >> Operation >> Transmission Control Module - 3.7L Gas/3.0L Diesel Vehicles >> Shift Schedules

Shift Schedules

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:

  1. Road Conditions.
  2. Incline, Decline and Altitude.
  3. Trailer Operation, Loading.
  4. Engine Coolant Temperature.
  5. Cruise Control Operation.
  6. Sporty Driving Style.
  7. Low and High ATF Temperature.
UPSHIFT

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

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)