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receiving the U0100/U0101 codes CEL AT light

 

Only receiving the U0100/U0101 codes CEL AT light. No other DTC codes. If this does not solve the issue what is the warranty? Will you be able to tell if the TCM I send in is bad or is this just a shot in the dark?

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Topic starter Posted : 09/11/2021 12:26 am

Fixed our issues!

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Posted : 09/11/2021 2:54 am

I would like to know what is found while at repair myself. I just paid to have a repair done and would love to know what was found wrong as well.

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Posted : 09/11/2021 4:23 am
UpFix Tech Support
Prominent Member Moderator

We are able to test all TCMs here at our facility and see if the no-communication codes show up. Most of the time the U0101 and U0100 codes indicated a faulty TCM that needs to be rebuilt and yes it comes with a one-year warranty.

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Posted : 09/11/2021 6:51 am
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