can't talk to ecm class 2 issue

DIESELMAFIAPER.LB7

<----new hotness
Jan 17, 2010
5,163
12
38
idaho
shop.dieselmafiaperformance.com
Well I used a bench harness tried just unhooking the c1 plug (and plugging in the bench harness.... edited for ben...) and leaving the c2 in wouldn't flash unhook the c2 and still wouldn't so I take high speed off and try alt keys it finally flashed! put it back together starts up fine.... so I unhook bcm and rear audio controller tried flashing in the truck just a cal flash went fine so I hook up the bcm do full flash goes fine again! WTF!!!!!!!!!!!!!!

flash new tcm tune in goes perfect drive the truck everything works come back do another full flash works perfect!!!!!!!!!! ahhh was it just a corrupt file????
 
Last edited:

duratothemax

<--- slippery roads
Aug 28, 2006
7,139
10
0
Wyoming
Well I used a bench harness tried just unhooking the c1 plug and leaving the c2 in wouldn't flash unhook the c2 and still wouldn't so I take high speed off and try alt keys it finally flashed! put it back together starts up fine.... so I unhook bcm and rear audio controller tried flashing in the truck just a cal flash went fine so I hook up the bcm do full flash goes fine again! WTF!!!!!!!!!!!!!!

flash new tcm tune in goes perfect drive the truck everything works come back do another full flash works perfect!!!!!!!!!! ahhh was it just a corrupt file????

Thats impossible that it flashed with the C1 (blue) connector disconnected...