Transmission Indicators and Messages

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 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 .

4WD: This indicator illuminates when the PCM detects that 4WD has been requested.

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

"Trans Fluid 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 transmission fluid temperature (TFT) equal to or greater than 135°C (275°F).