Transmission Indicators and Messages 5L40-E/5L50-E

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 .

Change Transmission Fluid: This illuminates when the TCM determines that the transmission fluid life is less than 10 percent. Once the TCM determines that the transmission fluid life is greater than 10 percent the light will go OFF.

Service Transmission: This illuminates when the TCM determines that there is a fault in the transmission.

"Trans Hot Idle Engine": This message is displayed when the TCM detects a transmission fluid temperature (TFT) equal to or greater than 132°C (269°F) for 1 minute.