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Code U0101

Tiny
ROKR_MAZDA
  • MEMBER
  • 2009 MAZDA 3
  • 2.3L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
My problem started with the start of the check engine and the AT, it was checked with a scanner and gave the code u0101, when reviewing the TCM module they indicated that it received a short circuit.

I would like to know if someone has the diagrams for the identification of the short circuit.

thanks
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Tuesday, February 11th, 2020 AT 2:41 PM

1 Reply

Tiny
JOETECHPRO
  • MECHANIC
  • 705 POSTS
Hey ROKR_MAZDA,

I have attached the wiring diagram for the A/T controls.

I have also attached the testing information for the terminals at the TCM plug connector.

Let us know if you need any further information or have any questions about the testing results you get.

Regards, Joe
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Tuesday, February 11th, 2020 AT 3:52 PM

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