Possible causes – Faulty Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1631 JEEP OBD Code Description Transmission Control Module (TCM) Internal Processor Clock Performance
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Possible causes – Faulty Transmission Control Module (TCM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1631 JEEP OBD Code Description Transmission Control Module (TCM) Internal Processor Clock Performance