Category: Chevrolet

U0101 Chevrolet Lost Communication With Transmission Control Module

U0101 Chevrolet Lost Communication With Transmission Control Module Possible causes – Faulty Transmission Control Module (TCM)– TCM harness is open or shorted– TCM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0101 Chevrolet Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data…

U0100 Chevrolet Lost Communication With Engine Control Module

U0100 Chevrolet Lost Communication With Engine Control Module Possible causes – Faulty Engine Control Module (ECM)– ECM harness is open or shorted– ECM circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) U0100 Chevrolet Description Modules connected to the high speed General Motor Local Area Network (GMLAN) serial data…