2013 Dodge Durango Owner Manual - Page 469

2013 Dodge Durango Manual

Page 469 highlights

STARTING AND OPERATING 467 transmission shift schedule and expand the range of temperature as well as vehicle speed. This feature imtorque converter clutch engagement. This is done to proves warm up time of the engine and transmission to achieve maximum efficiency. Engagement of both the prevent transmission damage due to overheating. torque converter clutch and the top overdrive gear are If the transmission becomes extremely hot or is in danger inhibited until the transmission fluid is warm (refer to the of overheating, the "Transmission Temperature Warning "Note" under "Torque Converter Clutch" in this section). Light" may illuminate and the transmission may operate During extremely cold temperatures (-16°F [-27°C] or differently until the transmission cools down. below), operation may briefly be limited to first and NOTE: Use caution when operating a heavily loaded direct gears only. Normal operation will resume once the vehicle at low speeds (such as towing a trailer up a steep transmission temperature has risen to a suitable level. grade, or in stop-and-go traffic) during hot weather. In Transmission Limp Home Mode these conditions, torque converter slip can impose a significant additional heat load on the cooling system. Transmission function is monitored electronically for Downshifting the transmission to the lowest possible abnormal conditions. If a condition is detected that could gear (when climbing a grade), or shifting to NEUTRAL result in transmission damage, Transmission Limp Home (when stopped in heavy traffic) can help to reduce this Mode is activated. In this mode, the transmission remains in direct gear regardless of which forward gear is seexcess heat generation. lected. PARK, REVERSE, and NEUTRAL will continue to During cold temperatures, transmission operation may operate. The Malfunction Indicator Light (MIL) may be be modified depending on engine and transmission 5

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transmission shift schedule and expand the range of
torque converter clutch engagement. This is done to
prevent transmission damage due to overheating.
If the transmission becomes extremely hot or is in danger
of overheating, the “Transmission Temperature Warning
Light” may illuminate and the transmission may operate
differently until the transmission cools down.
NOTE:
Use caution when operating a heavily loaded
vehicle at low speeds (such as towing a trailer up a steep
grade, or in stop-and-go traffic) during hot weather. In
these conditions, torque converter slip can impose a
significant additional heat load on the cooling system.
Downshifting the transmission to the lowest possible
gear (when climbing a grade), or shifting to NEUTRAL
(when stopped in heavy traffic) can help to reduce this
excess heat generation.
During cold temperatures, transmission operation may
be
modified
depending
on
engine
and
transmission
temperature as well as vehicle speed. This feature im-
proves warm up time of the engine and transmission to
achieve maximum efficiency. Engagement of both the
torque converter clutch and the top overdrive gear are
inhibited until the transmission fluid is warm (refer to the
“Note” under “Torque Converter Clutch” in this section).
During extremely cold temperatures (-16°F [-27°C] or
below), operation may briefly be limited to first and
direct gears only. Normal operation will resume once the
transmission temperature has risen to a suitable level.
Transmission Limp Home Mode
Transmission function is monitored electronically for
abnormal conditions. If a condition is detected that could
result in transmission damage, Transmission Limp Home
Mode is activated. In this mode, the transmission remains
in direct gear regardless of which forward gear is se-
lected. PARK, REVERSE, and NEUTRAL will continue to
operate. The Malfunction Indicator Light (MIL) may be
5
STARTING AND OPERATING
467