Transmission Indicators and Messages
WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
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
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This indicator illuminates when the powertrain control module (PCM) detects that 4WD has been requested.
- Tow/Haul
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This indicator illuminates when the PCM detects that tow/haul mode has been requested.
- Transmission Hot
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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
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This message is displayed when the PCM detects a TFT equal to or greater than 135°C (275°F).