No Engine Crank and No Tech II Scan-Tool Communication with TCM Going all the way back to 2000, GM has admonished technicians and vehicle owners not to allow the metal-cased ECM (Engine Control Module) and TCM (Transmission Control Module) to be used as a grounding location that could sub...
Specific Purpose General Discussion General Diesel Discussion of all Vehicles with Diesel Engines Used for a Specific Purpose , Farming , Transporting , Boating , Construction Marine Diesels Recreation Vehicles (RV's) Big Rigs & Semis Construction Equipment ...