Allison Generation 5 Prognostics
Accessing Prognostic Information from your Electronic Shift Controller
Article Date: April, 2017
Article and Photography by Mark Quasius
Resetting Prognostics
Use the following procedures to reset the fluid or filter life once the transmission has been serviced. Note that the Transmission Health Monitor
can only be reset using the Allison DOC software after a clutch system issue has been corrected.
Oil Life Monitor
Primary Method
For either a pushbutton or bump lever shift selector, press and hold the Mode button for approximately 10 seconds while you are still
in the Oil Life Monitor mode.
Secondary Method
This method works with either shift selector style - Perform the following sequence with the ignition on but with the engine not running. Do
not stop the sequence for more than three seconds once you have started.
N-D-N-D-N-R-N
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Filter Life Monitor
Primary Method
For either a pushbutton or bump lever shift selector, press and hold the Mode button for approximately 10 seconds while you are still
in the Filter Life Monitor mode.
Secondary Method
This method works with either shift selector style - Perform the following sequence with the ignition on but with the engine not running. Do
not stop the sequence for more than three seconds once you have started.
N-D-N-D-N-R-N
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