Originally Posted by psw757
Spoke with a local Cummins facility yesterday and was told the cost is $500 for the flash and $1000 for the update to the warranty. If we wait until the 5yr warranty is up then only $500 or there is a flash that can be done apparently by ourselves but would leave a code in the ecm which would void warranty if something should go wrong with power train in meantime.
I checked with Cummins in El Cajon, CA and got exactly the same answer. I have decided to leave well enough alone, fairly pleased with the power as it is. Seems like I pull most grades at about the same speed I could in the past with my 5th wheel and Duramax diesel.