Transmission Indicators and Messages
WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 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 .
- "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.