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U0101 Diagnostic Trouble Code Discussion for June 2020

Lost Communication With TCM


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Trouble Ticket Help Requests for DTC U0101
Help Request Posted
2015 Chevrolet Malibu LT 2.5L MIL Lamp on VIN: 1G1165S35F
U0101: No Comm between ECM-TCM. One for you GoodWrench Boyz. Got called to program TCM in this '15 Malibu. Had no communication with TCM so told the shop to double check TCM. They found an internal wiring problem in trans so they replaced entire transmission with rebuilt unit. Now there ...
June 05, 2020