Gmc 2003 Sierra User Manual download pdf (Page 198)

Transmission Temperature Gage

Canada

Vaur vehicle rtiay be equipped with a Iransmiss-ion

temperature gage.

When ypur igniUan on, Ihg gaga shows the

temperature of the transmission fluid. The normal

operating range is Irom to about

265'F (130=CK

At apprOiimatefy (130‘'C), the driver information

center wH( display a TRANSMISSION HOT message

and the iren&mi&^ion will enter a transmission protection

mode. When the transmission enters the protectjon

motJe, you may notice a change in the transimi^sion

shifting patterns, the transmission will return to nomial

shifting patterns when the transmission fluid temperature

tails below 3S0T (ISTCK

See Driver informsifan Cerjter fOiC) cm pßg9 3'50 for

further infCHTnalion.

If your vehicle an Allison transmission, and the Iluid

reaches temperatures of approximately 275^f {135^C)

or greater, ihe driver information center will display

a TRANS HOT IDLE ENGINE warning message and a

chime will sound urilil the temperature falls below

2fi5'^F (120'^C) degrees. PuiE the vehicJe off the roadway

when it Is safe to do so. Set the parking brake, place

Iha transmission in PARK (P} and allow the engine

10 idte unljf the transrnission temperature tails below

If the transmission continues to operate

above 205“F f130'^C), contact your nearest deaJer or

the GM Roadside Assistance Center. See FfoadsiciB

AssislsrjCB Program on pag^ 7'ß-

NoUcb: If you keep driving your vehicle with the

transmisstun temperatLire gags above the normal

operating range, you can damage the transmisaiorr.

This cgyldi tead to costly repairs that may not be

coveted under your warranty.

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Gmc 2003 Sierra User Manual Page 198