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The Allison transmission prognostics display can be found by navigating to the maintenance
screens in the driver display. The prognostics screen displays information on the
transmission health status (oil filter status, oil level, and oil life). See Fig.
. If transmission health falls below acceptable limits, a message will be shown on
the driver display.
Note: For a valid oil level measurement, the vehicle must be stopped on a level surface
with the transmission in neutral (N).
