Rick's Free Auto Repair Advice

U0101

U0101 Lost Communication with TCM

This generic “U” code applies to all car makers and indicates that the PCM has lost communication with the transmission control module (TCM). This is usually the result of a problem on the data line linking the modules.

For more information on this repair or any others for your vehicle, buy an online subscription to either Alldatadiy.com or eautorepair.net. Click on this link to compare the two services: Compare Alldata and Eautorepair.

© 2012 Rick Muscoplat

Posted on by Rick Muscoplat

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