Allison MH 1000, Workhorse w20 8.1ltr
While driving the hills of WV thia am, the allison downshifted from 4th to 3rd and back to 4th. The following message displayed on the dashboard where PRNDL is usually displayed and lasted fo 10 mi...
Forum Discussion
It's the number for a translator device for the DOC on a 1000 Allison. Go to the Allison web site and punch in the code, hopefully it will give you additional information
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