Category: Chevrolet

U0103 Chevrolet Lost Communication With Gear Shift Control Module A

U0103 Chevrolet Lost Communication With Gear Shift Control Module A OBD Code: System: Subsystem:  U0103 Chevrolet – (ASE)  Network Communication  Fuel and Air Metering Trouble Code Description: Lost Communication With Gear Shift Control Module A Location: Analysis: Possible Causes:  Control Module A     Tech description:

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…