Transmission Indicators and Messages
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. 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 .
- "TRANSMISSION HOT IDLE ENGINE"
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This message is displayed when the TCM detects a transmission fluid temperature (TFT) equal to or greater than 130°C (266°F) for 5 seconds. When this condition exists, the TCM will set a DTC and shut Off, The hybrid powertrain control module will command the hybrid battery contactors to open and shut down the vehicle. A key cycle is required to reset the action taken after the transmission has cooled below 130°C (266°F).
- "SERVICE TRANSMISSION"
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This message displays when there is a problem with the transmission.