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Home >> GMC >> 2004 >> Yukon Denali >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 4L60-E/4L65-E (Introduction, Service & Replacement) >> Description and Operation >> Transmission Indicators and Messages

Transmission Indicators and Messages

The following transmission-related indicators and messages may be displayed on the instrument panel cluster (IPC). For a complete listing and description of all vehicle indicators and messages, refer to Indicator/Warning Message Description and Operation in Instrument Panel, Gages, and Console.

4WD

This indicator illuminates when the powertrain control module (PCM) detects that 4WD has been requested.

Tow/Haul

This indicator illuminates when the PCM detects that tow/haul mode has been requested.

Transmission Hot

This message is displayed when the PCM detects a transmission fluid temperature (TFT) equal to or greater than 130° C (266° F) for 5 seconds.

Trans Hot...Idle Engine

This message is displayed when the PCM detects a TFT equal to or greater than 135° C (275° F).