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# Post Title Result Info Date User Forum
RE: 2008 Mazda 3 TCM bad?   0 Relevance 2 years ago Serge - UpFix Team TCM Transmission Control Module
  This is a commonly known issue with this TCM. If you have a scan tool that can communicate and read codes from the TCM pull those codes and compare it with the codes we state we can fix on the service repair page. Checking the transmission fluid and filter for any dirty contaminants is an important step as well. I'll include a link to the service repair page below:
2008 Mazda 3 TCM bad?   0 Relevance 2 years ago BARRY LOCK TCM Transmission Control Module
  2008 mazda 3 The TCM was working fine, until about a week ago. I get a hard shift from gears going into 4th and 5th. Reverse is a really hard shift. No check engine light, but the AT light is back. Attachment : 2008 mazda 3 TCM.jpg Attachment : 2008 mazda 3 TCM1.jpg Attachment : 2008 mazda 3 TCM2.jpg
RE: 2012 Mazda 3 skyactiv TCM   0 Relevance 2 years ago Serge - UpFix Team TCM Transmission Control Module
  if your vehicle does indeed have a TCM it will be mounted on top of the transmission. The image you provided is the ECU. Your TCM part number should begin with either LF8M or LFJE. If you confirm the issues you're having with your TCM match what we can repair go ahead and send in the TCM, not the ECU.
2012 Mazda 3 skyactiv TCM   0 Relevance 2 years ago JULIO G TCM Transmission Control Module
  2012 mazda 3 skyactiv 6 speed A/T vin JM1BL1V74C1675196 Can you repair TCM? Attachment : 2012 mazda 3 skyactiv TCM.jpeg
RE: Mazda TCM Troubleshooting   0 Relevance 2 years ago Bryan Caldwell TCM Transmission Control Module
  2010 mazda 3. Refurbished TCM just installed. Car will not turn over, just keeps cranking. Battery is strong. Wiring harness attaches firmly. Battery then disconnected for 30 minutes. 15A TCM fuse is good. Any suggestions?
RE: 2006 Mazda 3 Looking for information to fix my TCM   0 Relevance 2 years ago Serge - UpFix Team TCM Transmission Control Module
  I understand. Below is a link to place a TCM exchange order you will need to know the exact part number to place the exchange order.
RE: 2006 Mazda 3 Looking for information to fix my TCM   0 Relevance 2 years ago David Clark TCM Transmission Control Module
  I haven't sent my TCM yet, I still need to use my car in the way it is, looking for information before sending it, otherwise, I will be stranded for my duties
RE: 2006 Mazda 3 Looking for information to fix my TCM   0 Relevance 2 years ago Serge - UpFix Team TCM Transmission Control Module
  Have you sent your TCM to be worked on by us before? If not you can send it in to be worked by placing your repair order online through the link below. The repair comes with a 1-year warranty and takes about 2-4 business days to complete the repair. Once done we will contact you for payment.
2006 Mazda 3 Looking for information to fix my TCM   0 Relevance 2 years ago David Clark TCM Transmission Control Module
  2006 mazda 3 Looking for information to fix my TCM, its throwing Check Engine Light, AT light and Hard Shifting at "R" and "D", Transmission is okay, did a ATF change a month ago and the car runs smooth, is just the TCM that is giving a hard time, How much time does it takes for the fix? How does the warranty work? Thanks Attachment : 2006 mazda 3 tcm module.jpg Attachment : 2006 mazda 3 tcm module1.jpg Attachment : 2006 mazda 3 TCM2.jpg
RE: 2011 Mazda 3 need TCM repair.   0 Relevance 2 years ago Serge - UpFix Team TCM Transmission Control Module
  We do repair that TCM. Below is a link to repair your TCM and below that is a link to place an exchange order if you want to go that route.
2011 Mazda 3 need TCM repair.   0 Relevance 2 years ago JOSHUA WOLF TCM Transmission Control Module
  2011 mazda 3 need TCM repair. Attachment : 2011 mazda 3 TCM 1 c.jpg Attachment : 2011 mazda 3 TCM cm.jpg
RE: 2007 Mazda 3 TCM hard shifting   0 Relevance 2 years ago Serge - UpFix Team TCM Transmission Control Module
  You can click the link below to begin your order: Thank you!
RE: 2011 Mazda 3 TCM error code U0100   0 Relevance 2 years ago Serge - UpFix Team TCM Transmission Control Module
  To answer your questions: Yes, we fix that TCM. The firmware update is just the latest software from mazda so you don't potentially have the same issues. Kind of like when your computer needs an update on the software to run more efficiently like updating from windows 7 to windows 10 Just package it so it doesn't get damaged during transit, yes bubble wrap is acceptable
2011 Mazda 3 TCM error code U0100   0 Relevance 2 years ago Veniamin TCM Transmission Control Module
  I'm having a problem with my 2011 mazda 3. The car shows error code U0100 (communicating with the Transmission Control Module). I've already checked the harness and ground points, and they seem fine. I believe the problem is related to TCM itself.I've removed the TCM ( serial number LF8M 18 9E1G) and would like to send it to you for repair (VIN number will be provided when placing the order) Before I send it out, I have a couple of questions:1. Would this TCM fall under the category that you can fix?2. I noticed there's an option for a firmware update. Coul ...
RE: 2011 Mazda 3 TCM   0 Relevance 2 years ago Serge - UpFix Team TCM Transmission Control Module
  Yes you can contact your mazda deale rwithya vin number ready and they should know
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