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# Post Title Result Info Date User Forum
RE: Mazda TCM Troubleshooting   0 Relevance 9 months ago Carl Matthias TCM Transmission Control Module
  Please look at the backside of the TCM connector on this 2010 mazda 3. There is no wire present in pin #9. Attachment : 2024-09-20 15_44_58-Mazda TCM Troubleshooting – TCM Transmission Control Module – UpFix Forum and 5 .png Attachment : 2010 mazda 3 TCM connector rear view.JPEG
RE: Mazda TCM Troubleshooting   0 Relevance 9 months ago Carl Matthias TCM Transmission Control Module
  The image above for the pinout of the mazda TCM Wiring Harness appears to be incorrect for my model.I have 2010 mazda 3 and there is no wire occupying pin 9 (Ground: X (Black)Also pins 4 and 6 are not Power: I, O for this model.Can you provide the correct pin outs for this model? Thank you
RE: 2008 Mazda 3 TCM In stock?   0 Relevance 11 months ago Serge - UpFix Team TCM Transmission Control Module
  Yes we do ship to Canada
RE: 2013 Mazda 3 TCM   0 Relevance 1 year ago Serge - UpFix Team TCM Transmission Control Module
  I see you submitted a sell request. If you could attach a picture to the request so the techs have all the information needed to answer your request. For the repair of your TCM please follow the link below to place your repair order where we give you a label to send the unit to us.
2013 Mazda 3 TCM   0 Relevance 1 year ago BILAL TCM Transmission Control Module
  I have 2 TCM I will like to send to you to fix and send me one and I sell one to you Attachment : 2013 mazda 3 TCM b.jpg Attachment : 2013 mazda 3 TCM mm.png
RE: 2007 Mazda 3 TCM   0 Relevance 1 year ago Serge - UpFix Team TCM Transmission Control Module
  Normally full electronic transmissions don't have a manual shift lever connected to the transmission. The vehicle will fail to safely back to the park. You can try and see if your ideal works
RE: 2007 Mazda 3 TCM   0 Relevance 1 year ago Riadh A TCM Transmission Control Module
  I have already relocated my tcm to the brake lines, but it is still downshifting gears randomly sometimes which is why I want to send it in for service. I still have the same questions about whether I can put the car in neutral and disconnect the battery before pulling it off? Since I assume I won't be able to change gears once it is pulled off.
RE: 2007 Mazda 3 TCM   0 Relevance 1 year ago Serge - UpFix Team TCM Transmission Control Module
  You can click the link below to view detailed instructions on how to remove the TCM. These instructions are for a 2007 mazda 3, however, its the same for your 2008 vehicle.
2007 Mazda 3 TCM   0 Relevance 1 year ago Riadh A TCM Transmission Control Module
  2007 mazda 3 I am getting ready to pull off the TCM and get it sent over to you guys but I had a few questions: 1) What gear should my vehicle be in when I remove the tcm? 2) Do I need to disconnect the negative on my battery before pulling it off? 3) Does my e-brake need to be on or off? I was thinking of putting the car in Neutral before removing the TCM just in case I need to move/roll it for any reason. Would this be okay to do? Or does it need to be in a specific gear?
RE: 2011 Mazda 3 TCM Faulty   0 Relevance 1 year ago Serge - UpFix Team TCM Transmission Control Module
  It sounds like it could be an issue with the TCM, however, we cannot diagnose your part based on this message. If you wish to send it to us, we can test it and see if it actually needs repair. If the unit tests good then you will only pay a $39.99 bench test fee along with any applicable shipping charges. Thank you!
2011 Mazda 3 TCM Faulty   0 Relevance 1 year ago GLIDZWELL TCM Transmission Control Module
  2011 mazda 3 I was wondering if you help with this problem. I purchased TCM on ebay and suspecting it is faulty. The part number: LF8M 18 9E1G is exact as my old one. After about 20min of driving starts to malfunction on and off (with AT light on and off, traction, and gear selector) and it goes back to normal for a while. Could this be faulty TCM? Attachment : 2011 mazda 3 TCM.webp Attachment : 2011 mazda 3 TCM 1.webp
RE: 2008 Mazda 3 TCM needed   0 Relevance 1 year ago Serge - UpFix Team TCM Transmission Control Module
  We do service a TCM repair for a mazda 3 2008. Please click on this link to place a repair order: Please don't hesitate to reach out if you have further questions.
2008 Mazda 3 TCM needed   0 Relevance 1 year ago RUSTY KIRKLAND TCM Transmission Control Module
  I did not see this part for my particular car and was wondering if there was a TCM part that would be able to fit a 2008 mazda 3 2.3 L?? Attachment : 2008 mazda 3 TCM x.jpg Attachment : 2008 mazda 3 TCM z.jpg
RE: 2008 Mazda 3 TCM bad?   0 Relevance 1 year 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 1 year 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
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