Engine/Transmission (1998.5 - 2002) Ecm?/ Pcm?

[DCreed]

which computer is which? one is on firewall one on engine,which do you change for auto /standard swap?

 

[SnoKing]

Engine Control Module and Powertrain Control Module!!!! SNOKING

 

[DCreed]

so PCM is on firewall? and THIS is the one that gets changed for trans swap?

 

[JoeBioDiesel]

Yes, the one on the firewall controls the transmission. It is made by Dodge. It communicates with the engine control module, that's bolted to the block, and made by Cummins.

Joe

 

[DCreed]

Thanks! that makes sense, just wanted to be sure!