TCM Location

Tiny
ELLISONE
  • MEMBER
  • 2004 MAZDA 6
  • 3.0L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
Have found that the TCM on car is unrepeatable the processor is fried and I need another unit. I would like to know if this type of control unit needs to be reprogrammed and where it is, by someone or can I replace it with the same type from salvage yard and just plug in and drive to reset to my car so that I can use car for a short time or does it or can it be reprogrammed to work with my car or will I need to buy a new one and it will PNP? Thanks any help would be greatly appreciated
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Friday, November 6th, 2015 AT 11:51 PM

8 Replies

Tiny
HMAC300
  • EXPERT
Hello,

I have heard of it going both ways a used one can plug in and work but if not it will need to be programmed by a shop which should cost about $130.00. Here is the location of the TCM below. Let me know if you need anything else to get the car fixed.
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Saturday, November 7th, 2015 AT 6:27 AM
Tiny
ELLISONE
  • MEMBER
  • 2004 MAZDA 6
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 131,177 MILES
The car's TCM has been inspected and is un-repairable I have obtained an exact match for the TCM in the vehicle my question is can I just plug it in and be able to move the vehicle or must I have it programmed by someone in order to move car (120mile trip) can I plug and play temporarily?
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Thursday, January 10th, 2019 AT 6:57 PM (Merged)
Tiny
2CARPROS MIKE
  • ADMIN
If the replacement TCM came out of a similar year/make/model you may be able to plug it in and go. It may not work as intended if it came out of something else even though the unit may be the same. The TCM's are programmed specifically for each vehicle at the dealer or an independent shop with the proper flash reprogramming software.
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Thursday, January 10th, 2019 AT 6:57 PM (Merged)
Tiny
ELLISONE
  • MEMBER
Thank you for your prompt reply, Yes the unit is an exact match for the one in car and is same yr and model
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Thursday, January 10th, 2019 AT 6:57 PM (Merged)
Tiny
KEN
  • ADMIN
You can try it and it should be okay but there is no guarantee with electronics :-) please let me know what you find so it can help others
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Thursday, January 10th, 2019 AT 6:57 PM (Merged)
Tiny
ELLISONE
  • MEMBER
Installed unit and it is working correctly so far.
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Thursday, January 10th, 2019 AT 6:57 PM (Merged)
Tiny
KEN
  • ADMIN
Good to hear, thanks for your response, please use 2carpros. Com again and tell a friend
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Thursday, January 10th, 2019 AT 6:57 PM (Merged)
Tiny
2CARPROS MIKE
  • ADMIN
Plug and play is sure nice. :)
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Thursday, January 10th, 2019 AT 6:57 PM (Merged)

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