...the battery too? I'm looking for a TCM to replace the one I have. The car still runs, but it's in sports drive all the time. But I've replaced the battery recently, and a week later it died on me again. I'm thinking it's unrelated, like a bad battery cable. Could the bad TCM be causing the battery to die?I'm looking for a Transmission Control Module to replace the one I have. The car still runs, but it's in sports drive mode all the time. But I've replaced the battery recently, and a week later it died on me again. I'm thinking it's unrelated, like a bad battery cable. Could the bad TCM be causing the battery to die?