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- เผยแพร่เมื่อ 14 พ.ค. 2019
- if you own a 2007 mazda 3 and your ( AT ) light on your dashboard has come on then more than likely it'll be your tcm whos the culprit. This video was in no way a how to video since i am not licensed to do these types of works. Please ask help from a professional. I just wanted to make a video on how I replaced the tcm is all. I will not take responsibility for your actions if something or someone gets hurt. Thanks for watching !!
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Excelent video straight to the point.
Anyone watching this in 2020, a few things to note. This guy pulled this module from a scrap yard. Nothing wrong with that - but be aware that the most up-to-date module is the rev E, it ends in the E code. Also, mazda has said that the reinstall should no longer be placed above the trans as the heat was part of the issue. Mazda 3's have break lines that are behind the battery box, and it is now recommended to mount to those with zip ties. I never thought I would write something like that.... But the heat coming off the transmission was part of the problem with the internal design.
I have to do this to my car (2.3L 08.5), I am looking for a better place to mount it. Possibly on the base of the battery box. We will see. GLTA and if you don't know what you're doing, see a professional!
I have an 07 mazda and I am currently experiencing this problem. So that part # in the video is not the one I need? It is another part #?
Thank You SOOOO MUCH! The tcm just went out on my daughter's car, she "was" going to take it to dealer!! I said NO WAY, we'll find a local mechanic & buy or find part ourselves! GREAT VIDEO!!!
You welcome please make sure you get the right part number for your part! Please subscribe !!
$200 for diagnosis. $500 for the part and $200 to install it ..
Great job! Thank you very much!
Really good video man your a life saver!
Glad I could help please consider subscribing!
I also have a 2007 Mazda 3 with a 2.0 engine. I thought I was crazy because I could not find the TCM. I made a call to three different Mazda dealerships. Two of the dealerships could not explain why my Mazda didnt have a TCM. The third dealership told me right away that it would not have a TCM and explained that the "TCM" was intergrated with the Egine Control Module. This makes sense but it complicates things because the ECM is a much larger computer. On my to look for one at a junkyard.
dude i have the same problem, and need to pick your brain if you dont mind....
I have the same car, have been getting different AT codes, Solenoid B and C stuck on, was thinking it could be TCM because overheating and burning out computer seems like a common issue, but our TCM may not experience the same burn out rate as it is not affixed to hot transmission. any and all info you found would be great
The problem im experiencing now is rough gear shifts, it gets stuck in 3rd, and I can shift into reverse, but the car does not roll backwards as if it was in neutral. So no reverse and rough shifts in drive, with limited gears. any help would be great
did you ever figure it out?
Good instructional video, cute kids too!
Thank you !!
Consider subscribing to the channel I'd really appreciate it !!
Did you install the tcm back to original location? That spot on top of the tranny becomes hot and that's the reason why the tcm is fried, a few years of driving and that used tcm will go bad again. My mazda5 tcm is still good and I just move it away from that spot and zip tied it to the brake lines.
Very good video. TCM seems to be a problem in Mazda vehicles...
Glad you enjoyed the video. And yeah at my shop it's been a little too common.. if the video was useful to you please subscribe it'll mean a lot !!
Ok thanks, but i have 2 questions: does it have to be program or straight swap, how do i get the part number if i got the other one before taking off the old one, i am planning to order it from junk yard, i drive the car to work every day
Dude! Thank you!
Help please? I have a 2011 Mazda 3. About a month the AT light came on but my engine light has never lit up. My car jerks sometimes at about 20MPH but once on the hwy it seems to drive fine.
I don’t really know what I’m asking, I’d really like some insigh on this matter. I once erased the code and it drove good for about a week. But the light came back on. Thanks
Thank you so much.
I subscribe! Thank you!
Gracias bro
King. Thanks
So my car Mazda Axela 2007 lights up the Engine Check light together with At light. Is there a connection to this. Could it be TCM problem???
Thus great nice job
Thank you
Do you have to get it programmed. From the dealership
I get the same problem but mines happen when I slows down and come to an complete stop then jumps into gear 4
Hi dear I have mazda 3 2009 and it’s transmission light r blinking some time it’s off when it’s off the transmission not working it’s stuck on 1 gear no change when lights come back then everything normal can u please explain thanks
great video
thank you please subscribe !
i have the same problm rigth now but i cant fine the tcm here in mine
countrey
Great video, thanks for making it. I have the same problem and just got my tcm in yesterday. It's used so I'm crossing my fingers it works, till try to do it later today. Plus as a dad, I loved how you included your kids (assuming they're your kids and not siblings). Loved the word stealership, good one. Never heard it before.
Glad you enjoyed the video! How did the job go ? Did it fix your problem ?
@@Highway94 it did, thanks for asking, but now I'm getting oil switch and tyranny slippage codes. My blue driver says one possible fix might be a fluid flush (the other is swap the tranny lol) I'm hesitant to do a fluid or change or flush, as I have not changed the oil in forever and I hear that sometimes the slippage gets worse.
@@axattackk ive heard the same. You might want to see what's best suited for your situation from a professional before deciding on that. A flush or change would be more financially friendly compared to installing a new or used transmission. Start with those and if they aren't useful then worst case scenario is buying a new or used transmission. I'll do some research for you and try and help you out. I'm a young mechanic in SD California. I'll ask the veteran mechanics at my shop and surrounding shops
@@Highway94 hey that would be great thanks, I would appreciate it. I would hate to throw money away. Love my Mazda and miss it being my daily driver.
Yes I have the same experience on my car
Anyone have any information on a 2006 Mazda 5 with the same issue
👍👍
Mine when i put it in reverse it goes forward then it lockes the trans up were it cant move at all drive works fine. At light comes on any help
I never experienced those symptoms before but if the at light is coming the AT could be held reliable. I would encourage you to do some more research into that since I can't tell you for sure wether it is or isn't the automatic transmission control module. If it is then here's the video for you to replace it. Good luck!
I have a 2010 Mazda 5 I replaced the TCM I found it on Amazon brand new 400 bucks and the light came back on a year later so I’m praying it could be low on fluid because I replaced the transmission fluid pressure sensor and the TCM code went away
Hey did you work out?
Do you got to program it ?
My man! Thanks for this video! My question is, does it matter if the TCM part code ends in a different letter? Or must you replace it with the letter above your previous one or the same one?
I would make sure the part number is compatible in every way. It'll be a waste of time and money if it doesn't work over a letter..
Always, Always remove the NEGATIVE terminal from the battery FIRST with today's highly electronic dependent vehicles. Same goes that you connect the negative last when you reconnect.
You are 100% percent right on that.
Great video bro.. i have the same problem on my 2006 Mazda 3 also.. I'm almost certain it's the TCM... It's been acting up really bad lately.. almost daily. I been running it like that for a few months .. but in LA traffic I would pull over and wait a few minutes shut the car down and start it up again the check engine light would shut off but the AT light will stay...eventually tripping the check engine light again followed by stuck in 3rd gear at high rpms...some days it will trip others it won't but now I'm noticed the AT light staying on. I had a oil change about 3 weeks ago asked the mechanic to check the transmission fluid he told me the Transmission fluid was super dirty. I plane on having him flush and replace with new filter..for about $150.. something that has to be done.. but have a few questions..
1: Hows your car running now..? I know it's been a few months has the light and issues come back?
2: Do you think I my have damage my transmission by letting this problem go on for so long...?
Also thank you for video I been doing a lot of research about this typical issue and its mo9of the time TCM... hope to hear from you soon
Thanks Dave.
What's up Dave, I'm almost certain in time you might cause damage to the transmission. I changed mine months after the problem occured however I would only drive to work and back ( about 15min ) ask your mechanic diagnose the Mazda properly to find out wether or not it needs a new tcm or the transmission to be flushed. I'm certain it's the tcm based on on your description but it's better to be safe then spend extra money when you don't need to am I right? I would say since your is 2006 the tcm might be of a different part number. make sure your tcm has a compatible part number so IF YOU NEED to replace it you can swap them with no problem
@@Highway94 Thanks for your reply.. I'm definitely going to go ahead and have the transmission fluid flushed out and replace filter . Asap. Hopefully I havent damaged the transmission. But I'll let my mechanic know. Hes really good and honest. I'll keep you posted .
@@davidchavez3510 when he removes the old transmission fluid ask him to save it for you so you can see what it looks like ? I'm praying there's no little metal fragments
@@Highway94 for sure me too.
@@Highway94 fingers crossed.. I live close to a mile long street of car dismantling and rec yard here in Irwindale CA.. but if it the tranny I'm screwed. Hopefully not.. fingers crossed .
You its crazy cuz the car still shifts in Drive when I accelerate on the streets with the Check Engine and AT light on... where it gets stuck in 3rd is when I'm on. The freeway . So idk I definitely need to check it out asap. Fluid flush and filter and check if there metal fragments.. or not fingers crossed
What about if i don,'t have that cm???
I have a 2004 i have to shutt down the engine to take off before it changes from 1 to 4 AT light.👂
did you ever fix itV
Do you have to program it at a dealership before u put it in ?
I did not need to reprogram it i just swapped it out
Hello i don’t know what kind of mazda i have😥 my car is mazda 3 2010 but when i remove the casing of battery there is no tcm out there,
Are you sure . It would be located right on top of the transmission close to strut of the car. Since yours is a 2010 I'm hoping it will be the same but I'm honestly not sure considering the year difference
Yes bro it’s not there, i check also my engine and i think its mazda 3 axela 2010,
Bro i uploade a video locating tcm of my car please check it thanks
Hey man same thing for my 2010 did you use a used tcm. I'd like to go to junkyard to get mine.
Yes. Mine was a used tcm. Search everywhere for the best deal. Just make sure it's the compatible part. This video was for a 2007 Mazda 3 and you said your vehicle was 2010. So make sure your part number is compatible
@@Highway94 thanks man it worked great vid thanks!!
@@nmcustoms5225 great to hear! Consider subscribing
@@nmcustoms5225 Hey man i'm having the same issue with the same year and model, what was the part number for the module you bought? thanks
Not my vid but I pulled the old one out to get that and it did fix it btw only cost me $80 at junkyard
🙏👍🥰🥰
Im in saudia arabia. Im search in same place in my car and dont find it in same place. What i do
Saudi Arabia ? Bro buy yourself a Bentley. What are you still doing on a Camel
Did this actually work
I just got genuine tcm from mazada cost me 1500 Australian dollars not cheap
If you still got the receipt i would return it and search online for it. Im certain you'll find one within 200-400 dollars thats alot better than 1500$
Was yours banging hard when shifting into reverse or drive
Change the gear mountaing
after you have replaced TCM is the problem solved or AT light came back on beacuse im having the same problem Please let me know how is working so far on your car
After I replaced the TCM the light went away and I didn't have the problem anymore. I also took it a step extra by resetting all the monitors to ensure the code wouldn't come back
@@Highway94 thanks for replying,last question did you have shifting problem, mine stuck on 3 gear and when I change my gear to reverse it gives big jerk did you have same problem
I have the same problem. Replaced the TCM just after 8 days. The AT light on back. Car also jerking when driving. What is the roof cause? Anyone can advise?
@@kc8321 when did you change the transmission fluid and filter
@@kc8321 I have tried used TCM and had same problem so I replaced with new from Amazon Paid $500 and my car is still going I drove almost 50000 mile and still running great, hope your problem will solved after replacing the TCM
He’ll Ya G
Do you have to reprogram it? Or just replace it?
I would replace it. I've honestly never heard of reprogramming the tcm.
@@Highway94 Thank you! I hope I can find one for my son's Mazda. Because new cost $675.
@@hectormonfil3237 search everywhere. Go to eBay, Amazon anywhere you can possibly think of. As you can see the job is simple but the price for the part is ridiculous. I was able to get mine for under 250$ .
You're right. I look around. $250 much better. Thank you so much for the video.
@@hectormonfil3237 you welcome Hector please consider subscribing to the channel !
Love how you skipped the hardest part. That 3rd bolt
Tengo ese problema ahora mismo
Is it any different for a hatchback?
Im honestly not sure om this one
@@Highway94 thank you for answering
Where can I buy one
Search online. Or go to your local junkyard and pick it out. Its pretty expensive for a part so small, so look for the best deal
I might can do it
if you believe you can do it thats 50 percent of the job
Do you have to program the tcm or just replace it?
I've honestly never heard of " reprogramming " the tcm . For all I know it might be easier than replacing the tcm. Check it out and see what's more benefiting financially. My video is right here to help you if you ever want to just replace it. The part is pretty expensive so search everywhere to get a more " fair " price for it. Hope I helped !
Do you have to program the TCM?
You have to program the replacement TCM, otherwise it will not start. That’s if your vehicle has anti theft protection . There is a code and a set of procedure that must be followed via a scanner.
Yes bro, it’s not there, and i’m trying to locate it until now maybe this is mazda 3 axela 2010
honestly, that might be it. This video was for a 2007 mazda 3 i wouldn't know if the procedure would be similar to that of a 2010 mazda . Im not even sure if the part number is the same either
Okay thank you
What code did you get?
It wasn't a code. The TL light just remained blinking
@@Highway94 when the TCM goes on the fritz, there is no generic code for it, not like a shift solenoid or a stuck valve. If your fluid is low in the FN5R, or you reinstalled the wrong trans filter or the TCM is bad, you'll only get the AT on the dash and lose manual shift.
That one on right is not bran new its used
Please We Have To Repent And Give Our Life To JESUS CHRIST ❤️🙏 He's Worthy To Be Praised 🙏
The new one looks older than the old one