Stumped on no CC or Jake brake
09-20-2022, (Subject: Stumped on no CC or Jake brake ) 
Post: #5
RE: Stumped on no CC or Jake brake
Well it has me stumped a bit also. I'm leaning towards a CECU setting over an ECM setting but I've never messed around with ESA. You can see all switches activate in the CECU like they should but nothing seems to make it to the ecm. Clutch switch is a direct wire so that activates for him in Insite. Checked the J1939 settings and we went through and enabled them and set to 49-cab controller.

SRT had mentioned they were chasing an abs item in the CECU and with not being familiar with it I'm not sure what to look for. I panned through most of the screens and settings and didn't see anything that stood out. I know there are multiple can networks in the truck, is it possible to be sending the messages for brake, cruise, exhaust, etc on the wrong can network or excluding a network?
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RE: Stumped on no CC or Jake brake - windowrattler - 09-20-2022



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