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U0101 Diagnostic Trouble Code Discussion for July 2020

Lost Communication With TCM


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Trouble Ticket Help Requests for DTC U0101
Help Request Posted
2017 Honda HR-V EX 1.8L MIL Lamp on VIN: 5J6RW2H56H
U0101: Communication code. ... is a Honda CR-V not an HR-V as indicated. (Iatn did not have a choice for CR-V) a couple weeks ago for no A/C. We hooked our R1243yf machine up to the vehicle and found it was contaminated with r134a. We flushed the system, replaced the compressor and...
July 22, 2020
2006 Dodge Sprinter 2500 2.7L Stall, MIL Lamp on, VIN: WD0PD64476
U0101: Lost Communication with TCM. Hello fellow Techs. So this Sprinter has come to me with what seems like a bad key switch. I called Mercedes and they told me that they can't sell Keys or Key switch that the vehicle must go to them. witch I am happy to send it to them as i am so busy. One...
July 29, 2020