Allison Generation 5 Prognostics
Accessing Prognostic Information from your Electronic Shift Controller
Article Date: April, 2017
Article and Photography by Mark Quasius
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Accessing Prognostics
When you are alerted via the wrench icon in the shift selector display, you can check the exact status by toggling through
the display as follows:
Oil Life Monitor
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For a pushbutton shift selector, simultaneously press both the Up and Down arrows two times.
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The percentage of fluid life remaining is displayed. New fluid is shown as OIL LIFE 100%.
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Filter Life Monitor
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For a pushbutton shift selector, simultaneously press both the Up and Down arrows three times.
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Acceptable filter life is shown as OIL FILTERS OK. Unacceptable filter life is shown as REPLACE FILTERS.
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Transmission Health Monitor
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For a pushbutton shift selector, simultaneously press both the Up and Down arrows four times.
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When TRANS HEALTH OK is displayed, clutch maintenance is not required. When TRANS HEALTH LO is shown, clutch maintenance is required.
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