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1-16 of 17 Results
  1. 2010-13 Mazdaspeed 3 Engine and Performance
    Please Help, I have a Mazda 3 2010 with 150k miles. It has the AT Light on only - There is not a check engine light on so I can not check or find any codes. (Is there a way to check for tranny codes?). The AT light comes and goes, whenever it’s on the transmission works okay just a little clunky...
  2. 2010-2013 Mazda 3 & Skyactiv Discussion
    Hello all - Hoping some smart peeps on here could help me out. Planning on switching TCM, but some symptoms make me think it could be a larger issue. Car: 2012 Mazda 3 with 2.5L (not Skyactive), 90k, Auto Symptoms: After ~20 mins driving issues begin Intermittent AT warning light/D...
  3. 2010-2013 Mazda 3 Engine and Performance
    I am looking for an alternative TCM for my MAZDA 3 iTouring. The following model is currently out of stock and my current OEM supplier said the part is on back order until further notice. I am waiting for my local dealership to update me on the part. Can anyone please help?
  4. 2010-13 Mazdaspeed 3 News & Discussion
    Question does anyone know the the diagram for the abs front harness to the wheels. I think I have an aftermarket setup with an extra connector . Please help anyone . LF Pic
  5. 2010-2013 Mazda 3 & Skyactiv Discussion
    My son's Mazda 3 transmission started slipping. The local transmission shop said it was the TCM, but they are unable to find a replacement. I can't even find the part number online. The part number they gave me is LF8M-18-9E1O (or 0 (zero), they're not sure) but I can't find that anywhere. I...
  6. 2010-2013 Mazda 3 & Skyactiv Discussion
    Hi Guys, I have the 2010 2.5 Mazda 3 that likely to have the TCM failure. The car went to limp mode and then later died completely and can't move. It's in the shop now waiting for parts. The correct part number for this car is L539-18-9E1J . I ordered the wrong part on Amazon LF8M-18-9E1H...
  7. 2004-2009 Mazda3 Audio & Electronics
    HI I'm have a problem with my MAZDA 3 2008 Problem: While riding on a highway in traffic my car went crazy, the lights on the dash start flushing, power steering went off, when I try to accelerate it got only to 1.500, RPMS it was weak, cheek engine come out also AT, the lights on PRNDL were...
  8. 2010-2013 Mazda 3 Engine and Performance
    2010 mazda 3 2.5 Ecm: u1000 tcm communication Just wondering if the tcm are plug and play or does it need programming from mazda dealer? Got the price for tcm $630 canadian Any websites i can get a better deal on the tcm? Will a used tcm of the same year and engine size work? Plug and play...
  9. 2004-2009 Mazda3 Discussion
    My Mazda 3 2.3l shifts hard and only stays in 3rd gear (limp mode). The TCM has been rebuilt. I am looking to see if there is a process that can be shared where I can test the wiring for the TCM. I would like to see if the issue is with one of the wires connected to the TCM which is...
  10. 2004-2009 Mazda3 Discussion
    Good Day Fellow Mazda 3 Fans, i'm in search for a 2004 Mazda 3 Hatchback 2.3 L TCM (Transmission Control Module) have tried searching on the web (Google) without any luck Anyone who is selling one or may know where i can get on. Kind Regards,
  11. 2004-2009 Mazda3 Discussion
    Im wondering about my tcm in my 05 Mazda 3 hatch 2.3L 4sp auto I was looking to replace it with a refurbished one from the guy on eBay everyone on here talks about but was told that my 05 3 might not have a tcm. Can anyone help me with that? Does my 3 have a tcm if so where and can other year...
  12. 2004-2009 Mazda3 Discussion
    does anyone know much on this TCM issues with mazda3 2.3l automatic when the AT light comes on and the car does not run at full speed, and won't shift gears. And if so where and how did you fix this problem?
  13. 2004-2009 Mazda3 Audio & Electronics
    Hi, I have a 2007 Mazda 3, 2.3 automatic. A couple of weeks ago the check engine light and AT light came on (on startup) and the car went into limp mode (would stay in 4th gear and shift roughly when reversing). I shut down the car and they went away when I restarted it. Then a week or so ago...
  14. 2010-2013 Mazda 3 Engine and Performance
    AT light and check ending light came on. Had Autozone check the CEL and they said it is a dealer code (U0101). Did a search online and looks like I will need to replace the Transmission Control Module, but I couldn't find any info where the TCM is located. Wonder if it is in the same location...
  15. New Member Introduction & Forum News/Guide
    I have a 2014 Mazda hatch auto It was in a wreck and I am putting it back together. So long story short the car is in limp mode cel light is on I have a code "tcm not commuicating" And I can't even find the tcm. Aaaaand seems like there is no info about it anywhere. Any help would be fantastic :)
  16. 2004-2009 Mazda3 Discussion
    I have a 2004 mazda 3 auto. It jumps around gears and after a while the AT light comes on and have no 4th gear it just revs up. Is this the tcm? If so where is it located? I heard it's in the ecu next to the battery? Any help would be appreciated. Thanks.
1-16 of 17 Results