Jeep 2006 Commander User Manual download pdf (Page 262)

4. Wait approximately 10 seconds, then restart the en-

gine.

5. Move the shift lever to the desired gear range.

If the problem is no longer detected, the transmission will

return to normal operation. If the problem persists, P

(Park), R (Reverse), and N (Neutral) will continue to

operate. Only Second gear range will operate in the D

(Drive) shifter position. Have the transmission checked at

your authorized dealer as soon as possible.

Torque Converter Clutch

A feature designed to improve fuel economy is included

in all automatic transmissions. A clutch within the torque

converter engages automatically at a calibrated speed at

light throttle. It engages at higher speeds under heavier

acceleration. This may result in a slightly different feeling

or response during normal operation in high gear. When

the vehicle speed drops below a calibrated speed, or

during acceleration, the clutch automatically and

smoothly disengages. The feature is operational in Over-

drive and in Drive.

NOTE: The torque converter clutch will not engage

until the transmission fluid and engine coolant are warm

[usually after 1-3 miles (1.6 - 4.8 km) of driving]. Because

the engine speed is higher when the torque converter

clutch is not engaged, it may seem as if the transmission

is not shifting into Overdrive when cold. This is normal.

Manually shifting between 3 (third gear) and 4 (fourth

gear) positions (using the ERS shift control) will demon-

strate that the transmission is able to shift into and out of

Overdrive.

NOTE: If the vehicle has not been driven in several

days, the first few seconds of operation after shifting the

transmission into gear may seem sluggish. This is due to

the fluid partially draining from the torque converter into

the transmission. This condition is normal and will not

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Jeep 2006 Commander User Manual Page 262