ecm replacement now no engine brakes

[volvokid]

[quote='Rawze' pid='77813' dateline='1693751687']
What make/model truck?. What engine?.
2009 volvo vnl

Where did the replacement ECM come from?.
{garbage-can ecm repair place}

What software did you use to xfer the file over with?.. what method?.
CALTERN 3

- Sounds to me like maybe during the xfer, the engine brake multiplex addresses might have gotten lost. Did you make a proper ecm template in the Insite software before taking the old one off?.
YES