Lost communication with TCM

Asked by fididit Sep 28, 2010 at 02:40 PM about the 2006 Chevrolet Silverado 2500HD

Question type: Maintenance & Repair

re the fusible links or anything else I can go to that will repower the TCM ? I have a feeling that one of the guys touched the TCM with a hot positive cable during the jump start and shorted something out.

2 Answers
5,335

Kevin answered 14 years ago

touching the tcm with any power will short it , it would need to be replaced . also if jump starting and hooking up backwards or accidently shorting cables can also kill any module on car :(

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260

tomjim answered 13 years ago

hello I had a 2008 chevy silverado towed in, no power to injectors, found fuse panel shorted out, since replacing fuse panel truck started but now have no communication with tcm and no shift lever indicatior, have power and grounds going to tcm but no communication

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