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 CADILLAC OBD Code Description
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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 CADILLAC OBD Code Description