Hummer 2003 Hummer Automobile User Manual


 
2-109
TRANSMISSION HOT
If the transmission fluid temperature becomes high,
the message center will display this message.
When the transmission enters the protection mode,
you may notice a change in the transmission shifting
patterns. When the transmission fluid temperature
returns to normal, the display will turn off and the
transmission shifting patterns will return to normal.
NOTICE:
If you keep driving your vehicle with the
transmission TRANSMISSION HOT message
displayed, you can damage the transmission.
This could lead to costly repairs that may not be
covered under your warranty.
The following situations can cause the transmission to
operate at higher temperatures:
Towing a trailer
Hot outside air temperatures
Hauling a large or heavy load
Low transmission fluid level
High transmission fluid level
Restricted air flow to the radiator and the auxiliary
transmission oil cooler.
A temporary solution to hotter transmission operating
temperatures may be to let the transmission cool down.
If the transmission is operated at higher temperatures on
a frequent basis, see “Scheduled Maintenance” in the
Index for the proper transmission maintenance intervals.
TRANS HOT IDLE ENGINE
If the transmission fluid in the vehicle gets hot,
this message will appear on the DIC. Driving with the
transmission fluid temperature high can cause damage
to the vehicle. Stop the vehicle and let it idle to allow
the transmission to cool. This message will clear when
the fluid temperature reaches a safe level.