Where is the transmission control module located?

Tiny
KINGADAM FADDEN
  • MEMBER
  • 2005 MAZDA 3
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 270,000 MILES
Transmission control module location. Is it and the cou or ECU combined? If so, what does it look like and where is I located? Thank you
Monday, December 5th, 2022 AT 7:20 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

On this vehicle, there isn't a separate transmission control module (TCM). In its place is the powertrain control module which controls the transmission.

The powertrain control module (PCM) is located under the hood next to the battery. If you look below, I attached a picture and highlighted the PCM.

Let me know if this helps or if you have other questions.

Take care,

Joe
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Monday, December 5th, 2022 AT 7:09 PM

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