Search results
-
N
no ecm/tcm communication
Thank you! Merry Christmas! I am going to find the schematic for the ecm harness today, my programmer says it is most likely a wire between the ecm and tcm -
N
no ecm/tcm communication
I have a 06 5500 with the same issue. Code U0101 ECM lost communication with tcm. I have this similar problem, I have replaced the internal harness, the pressure switch assembly, because the temp sensor was the only thing that did not check out, ohmed all wires from trans to tcm, checked for...