Engine brake undefined
08-10-2026, (Subject: Engine brake undefined ) 
Post: #1
Engine brake undefined
Hey y'all,

Long time reader, don't post much cause I ain't smart enough yet lol. Working on some engine brake issues when I noticed my engine brake was undefined in Insite. Saw the technical bulletin from Cummins on this specifically effecting my CM871. Is this the cause of my engine brake issues or just an inconvenience? I don't know how to calibrate without losing my not-today-epa tuning,


2010 Pete 386, CM871
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Messages In This Thread
Engine brake undefined - JakeFromStateFarm - 08-10-2026



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