ECM/UCM/PCM computer control module

Asked by Aug 11, 2019 at 11:54 PM about the 2007 Cadillac CTS 2.8L RWD

Question type: Maintenance & Repair

Battery dies about an hour after I charge it. Could
this fried ECM/ PCM be a ground problem I plan on
adding more ground cables to it in the morning but
if ground fixes problem do I still need to send my
control module PCM off to get updated and
reprogrammed ??????

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