Stumped on no CC or Jake brake
09-21-2022, (Subject: Stumped on no CC or Jake brake ) 
Post: #12
RE: Stumped on no CC or Jake brake
(09-21-2022 )Rawze Wrote:  Almost sounds to me like either the cab module is not broadcasting that stuffs properly, or that the ecm has been switched over to use can-buss #2 (instead of can-buss #1) for the truck communications by mistake.


I have seen this situation before as well if someone tried to use a program meant for a Prostar in a Pete 389.. or vice versa.. even tho it was the same exact CPL. Make damn sure that the program matches the exact program listed for the truck on quickserv according to its VIN# and maybe not the engine ser#. Just because a program has the same exact CPL listed in Insite.. does not mean at all that is is compatible with the rest of the vehicle. I have seen that plenty, especially so on CM2350's and X15's.

I recently had to straighten one out for Mr. hag that someone swapped the engine in the truck and did exactly that mistake.

Start by verifying that can-buss#1 is the one chosen to communicate with the vehicle, and go from there.

Next would be to ensure the right program.. one made specifically for a Pete389 of that year/model + matching engine CPL was in it. there are a whole h#ell of a lot of settings that cannot be seen in Insite.. or restored for that matter with regards to this.

just some thoughts.

I.E..>
What is the vin#.?
What is the engine ser#.?
Was the engine ever swapped out?.//.. and if so, what was the origional engine ser#?.
What is the exact make/model truck?.

those are all the things needed to ensure it has the correct program in it.. long before trying to restore the dash settings.
Vin 1XPXD49X7FD242441
ESN 79719468
Not sure on swapped, bought the truck with CC and high idle not working back in May
2015 Peterbilt 389
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Messages In This Thread
RE: Stumped on no CC or Jake brake - SRTDiesel - 09-21-2022



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