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# Post Title Result Info Date User Forum
2010 Mazda 5 TCM   11 Relevance 4 years ago Jhanvi TCM Transmission Control Module
  2010 mazda 5 tcm L39C189E1D G1T00875H3 tcm not communicating codes, dealer said it needs tcm. Ordered one from Amazon but still has lights, engine, skid control, and AT but doesn't intermittently change from AT warning light to normal D light and it stopped erratically shifting and is drivable without the manual transmission option. I can ship you the original using USPS and once it's diagnosed and repair I can make payment and email you a UPS label as I'm traveling and not sure where I will be once you are ready to ship. Is that possible? Attachment ...
Mazda 3 2010 TCM   11 Relevance 4 years ago GLENN BOOTH TCM Transmission Control Module
  Hello, I have this issue with my mazda 3 2010 tcm where there’s a hard kick and car goes into safe mode(AT light turns on), check engine light is always on by the way. Another problem is that I’m quite far away from you guys so the postage cost through FedEx reaches up to 150€, the question is, what I should do to fix this problem, buy a new one which I can’t find, try to fix it at local car electrician or send it to you? Sending faulty codes and a picture of tcm itself. Thanks.nother question, can I install a tcm which has different code on it?Or should onl ...
2009 Mazda 5 TCU   11 Relevance 2 years ago Kathleen P Other (automotive part)
  I am looking for a Transmission Control Module for a mazda 5. The part number is L39C199E1C I will need this part quickly so the repair option is not a good one for me I saw this option (SKU: INV9081 ) But when I proceed with ordering, I get two part options, and my exact part is not listed. Does that mean you do not have my part in stock?
2014 Mazda 3 TCM RPM jumps high and Low is this symptom of the TCM failing?   11 Relevance 2 years ago Alfred K TCM Transmission Control Module
  2014 mazda 3 tcm RPM jumps high and Low is this symptom of the tcm failing?
RE: Mazda TCM Troubleshooting   10 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
2011 Mazda 3 TCM code U0101   10 Relevance 2 years ago Sara Greeley TCM Transmission Control Module
  2011 mazda 3 tcm Do you offer any repairs for modified mazda 3 tcms? I attempted to make a DIY repair by removing some of the rubber around the connector pins and touching up the solder on each one, but this was ineffective and the module of U0101 continued to generate the same error signal. Attachment : 2011 mazda 3 tcm 1.jpg Attachment : 2011 mazda 3 tcm code U0101.png
RE: 2007 Mazda 3 TCM exchnge   10 Relevance 3 years ago Serge - UpFix Team TCM Transmission Control Module
  You will have to visit our website, Upfix.com to see if we have your specific part number in stock. Please be advised, our turnaround time for the exchange service currently is 7-10 business days de to the high demand. We will accept any tcm for the core exchange. upfix.com/search/?make=MAZDA&model=3&year=2007 Thank you!
RE: Removing the TCM from a 2008 Mazada 3   10 Relevance 3 years ago John Wells TCM Transmission Control Module
  Here is more info on the mazda 3 tcm repair service
RE: 2004 mazda 5 -- TCM?   9 Relevance 10 months ago Serge - UpFix Team TCM Transmission Control Module
  Thank you for contacting us. We specialize in repairing faulty electronic components. If your mechanic has informed you that you have a faulty unit, you can send it to us for a rebuild. If you are unsure whether your unit is faulty, we can perform a bench test for a nominal fee of $39.99. Should we determine that the unit is indeed faulty, we will charge you our standard repair price. Unfortunately, we are unable to pinpoint the exact issue remotely. If you wish to create an order click on the link provided below > <
2011 Mazda 3 TCM Faulty   9 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
2010 mazda5 TCM   9 Relevance 1 year ago Vladimir T TCM Transmission Control Module
  I had my tcm replaced and it fixed my shifting issues. saved me a lot of moneyhave 1 question. Can driving on a faulty tcm cause speed sensors to become faulty? I ask because my 2010 mazda5 still has a hard kick into 1st gear (this is also after getting the transmission rebuilt recently as well) and the speed sensors are the only thing in my mind that could still be the problem Attachment : 2010 mazda5 tcm.jpg Attachment : 2010 mazda5 tcm1.jpg Attachment : 2010 mazda5 tcm2.jpg
2013 Mazda3 TCM problem   9 Relevance 1 year ago Damian Diaz TCM Transmission Control Module
  2013 mazda3 tcm problem. I am considering purchasing your guys service but before I do so I would like to know if you guys can fix the issue. I notice that the errors that I am receiving aren’t listed under your error lists. I am having Gear 3 with an incorrect ratio, issues with the torque converter solenoid, and shift solenoid c stuck on. These are the error codes that I received from my dealership whom tell me it’s my tcm that’s the issue. If you guys can fix this how can I put the error I’m receiving on the order Attachment : 2013 mazda3 tcm.jpg ...
RE: Mazda TCM Troubleshooting   9 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?
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