Fixing My 2007 Mazda 3's Heart & Soul! | Transmission Control Module Install + Problem Solved?

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Is your car shifting really hard? Or your check engine and AT llight comes on? I will be showing you a transmission control module install on my 2007 Mazda 3 hatchback. I am installing this TCM to hopefully fix the hard shifting in my Mazda. Initially, I thought I just needed to change the transmission filter and fluid so it will stop shifting hard. Well, that didn't fix the problem.
*TCM FOR 2007 MAZDA 3* --- CLICK HERE: amzn.to/3qHlRy0
Like I said, I am hoping this new TCM on my 13 year old car will make it run smooth again.
#mazda3 #mazda #tcm
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28 окт 2024

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Комментарии : 101

@Waterpassion Год назад

I hope this is the only thing wrong with my Mazda. She just started randomly down shifting from 5th to 4th gear on the hwy. She doesn't do it anywhere else. I can't get past 60mph and she does whine and shudder a little when she finally changes gears. About thirty minutes later the problem fixes itself. Sounds gunked up too. So I hope the combo of fluid, filter, and tcm will fix this. I'm obviously going to wait on TCM to see if that's all that it needs first but I'm so glad I found these Mazda videos. Thank you!

@sargecollects Год назад

Hey good luck. Hope you are able to fix the issue. These cars are great! Love my my 3.

@Waterpassion Год назад

@@sargecollects thank you. I love my Mazda as well. It's just a recent issue and I'm hoping I can get away with not taking it to the shop. I have mechanic friends thankfully but the one I usually go to said that he couldn't flush it because he needed a special machine for it. My other friend says you don't need it and I'm like I'm so confused. I have a new job and it's going from the foothills to the mountains 4 days a week and that's when I started noticing the problem. I was going up there for my drug and background screenings. It fixed itself thankfully but I don't want it to keep happening.

@bobk469 Год назад

Start by changing the fluid and filter if it's been >75k miles since the last change. Other than old fluid, most Mazda transmission problems are caused by a bad TCM. Because the TCM is bolted to the top of the transmission, the heat damages it over time. Usually goes bad between 100-200k miles. I replaced the TCM on my Mazda 5 at 175k miles. Relocated the TCM and attached it to the brake lines to prevent heat damage. Currently have 215k miles and still running strong.

@sargecollects Год назад

Thank you for your input and sharing information for others to read.

@kuengyal23 2 года назад

Thankyou saved me 2000$ for now. Hopefully it will work for a longer time. I removed it and placed it like yours and problem solved. Fingers crossed

@sargecollects 2 года назад

Awesome!!!! Mine is still working great. I’m really happy about it

@kuengyal23 2 года назад

Just did it awhile ago and now it goes into 5th gear smoothly. Before when it goes into 5th gear the AT lights pop and vehicle jerks and hardly goes into 5th gear. Now it’s running smoothly on 5th. Hopefully it will get me going for another year 🙏

@sargecollects 2 года назад

@@kuengyal23 crazy how these cars get the same problem. Hey at least we got it fixed now

@tjshire 3 года назад

Nice job, and nice camera work in some tight spots. Your patience is admirable.

@sargecollects 3 года назад

Thanks for watching. I hope this help people out with their car issues.

@hindikakasa4296 2 года назад

Good idea to relocate the tcm to a cooler place in the engine bay. It will save the tcm from high temp which will damage it. I did it to my mazda 3

@LarusXLarusX Год назад

Which error was it showing on the code reader?

@yongsunkim9577 10 месяцев назад

Different part number is fine? My TCM ending is A. Can I put b,c,d or E too?

@sargecollects 10 месяцев назад

If i remember correctly yes

@trabajosdeconstructionams755 Год назад

I have the same problem in my 2006 mazda 5 and I uncovered it 2 times but I don't see the ATC anywhere do you know where ells can be?

@sargecollects Год назад

Not familiar with Mazda 5

@TargaWheels Год назад

Before you changed the TCM, did it start shifting hard only after getting the running temperature up? Is it possible just moving the old TCM to the firewall might have solved the problem?

@sargecollects Год назад

That’s a great observation. If I had time, I probably would’ve done that looking back but needed a working car for my kid. So I turned mine in for a “new” one and installed. Thanks

@jenerd.purijr6544 3 года назад

Hi, just wondering what ATF you used on the initial troubleshoot? I used a cheap Castrol brand I believe. Do you think it's worth buying the TCM to try and fix it?

@sargecollects 3 года назад

I had extra M5 ATF from the dealership. Yes, it’s worth it. I went searching through a lot of junkyards and unfortunately it’s way too hard to find one. So, purchased a refurbished one online. Car runs great again.

@sirmi9868 2 года назад

Dude royal purple max atf, is a bit expensive but works really well if you dont find oem mazda oil. Its m5 rated too. But please avoid mercon v like a prostitute avoid babies

@ibmtpx24 3 года назад

Did you let the computer relearn after reconnecting the battery back? There is a relearn process basically have the car do idle with minimum power draw (no ac no radio no heating) for 20min and then maximum power draw for another 20min idle.

@sargecollects 3 года назад

No. I just drove the car around for about 10 mins. No AC or radio running because I wanted to hear the engine/transmission running....and still no issue. I was unaware about the computer needing to relearn anything. Thank you.

@sassykat012283 2 года назад

I have the same issue with my 2006 Mazda 3. Just replaced the TCM yesterday and is shifting a little better but the light is still on and still doing everything it was before. The TCM was a refurbished one, not sure what to do next.

@sargecollects 2 года назад

That’s interesting. Maybe there might be other issues going on. Sorry can’t help much.

@DowJonesTrader 2 года назад

@o9sharkboy Did u get the issue fixed? What was it?

@sargecollects 2 года назад

@@DowJonesTrader yes it was my TCM. I got one replaced

@rickriner Год назад

Did you do a transmission fluid and filter change as well?

@sargecollects Год назад

Yes in my other videos

@sleepyhollow783 Год назад

On the 2010-13 3s, it is possible to do the job without unplugging the the computer that hangs on the side of the battery box. (Mentioning it in case someone is worried about having to unplug the two connections.) 2011 3, 2.5L. Changed the transmission mount & left the ecm plugged in. Two less connectors to risk damaging. Now waiting for tcm to arrive from Upfix, $500 vs $800 from dealer. Seems 185,000 to 190,000ish miles is the lifespan for the tcm when mounted on top of the transmission? Hope the relocation makes the span much longer. Encouraging video. Thank you.

@sargecollects Год назад

Good luck with your new TCM from upfix. Hopefully the relocation does extend the lifespan of your part. Mine is still going strong like nothing ever happened.

@FlipBoji Год назад

My tcm crapped at 130,000 miles but used upfix exchange deal. 700 for new tcm and 350 refund for sending mine back in. Hoping everything goes well after I install

@tharris9629 3 года назад

I’m just curious I have the same vehicle and the same exact problem. But I switched the tcm first and that’s it. I didn’t even think about switching the fluid cause it look the right colour and it was at the right level. But my AT light is still on. I drove perfect the next day with at light on but now it’s day 2 and now it’s not wanting to go to 4th or 5th gear. Do you think I should do a tranny fluid change?

@sargecollects 3 года назад

Yeah, that’s why I went ahead and changed everything since I was working on the transmission. I even used Lucas oil transmission to prevent slippage. Give it a try and change out transmission fluid. If that still cause the gear to not shift....then it might be a bad TCM. Or it could be the worst situation when you just need a new transmission.

@sgdesmo1 2 года назад

Did the problem ever got fix

@catfishjerry6412 3 года назад

Great video. I have changed my fluid and filter twice now and I’m still getting code for solenoid c stuck open . Should I change solenoid c or get new TCM . Car is in limp mode and has at and check engine light won’t go past 2nd .

@sargecollects 3 года назад

Thanks for watching. Now, I’m not a certified mechanic or anything.....but I have done a lot of research and asked questions....my suggestion to try and change out TCM. I fixed my issue for sure.

@catfishjerry6412 3 года назад

@@sargecollects man thanks for reply unfortunately i see mine does not have a tcm its a 2.0l so has pcm. is that the same thing? can you swamp a used one

@sargecollects 3 года назад

@@catfishjerry6412 I would check out other websites to see if you can order a PCM. Like I said, I got mine from www.upfix.com

@sargecollects 3 года назад

@@catfishjerry6412 I believe they are totally different

@hindikakasa4296 2 года назад

My mazda 3 won't shift from park to reverse and drive easily. If ever it shift, it will not move. I'm no mechanic so i search in youtube and found some solutions. The non- shifting was due to defective brake light switch. I replaced it ang shifting came easy but still the car won't move forward or reverse. So i scanned it and the result: problem with the solenoid valve. So i did open the.transmission pan, remove the six solenoid and tested them. Four.were busted but replaced them all. Change the fluid and filter. It is working nicely now.

@wilberhernandez970 Год назад

Did you have to program it or is it just plug and play?

@sargecollects Год назад

It had to be programmed. The vendor I bought from did all that.

@karlapesina135 2 года назад

Hi I used Upfix to repair my tcm. I installed it yesterday and I got the lights back on during my test drive. Do they go away? Or have to reset?

@sargecollects 2 года назад

After I installed mine, the light went away. I didn’t have to reset anything.

@forbro8301 Год назад

I'm waiting on my TCM to be returned by UpFix and I've been trying to anticipate issues like you're explaining. One forum shared that it's a good idea to use "CRC Electronic Cleaner for Sensitive Electronics" to clean out the connectors attached to the TCM. I'm going to give that a go before reinstalling the repaired TCM. If heat damaged it in the first place, there could some residual junk in the connector too.

@sargecollects Год назад

@@forbro8301 yes that sounds like a plan. Good idea

@forbro8301 Год назад

@@sargecollects Thank you! So far, the refurbished TCM installation has been great! I did notice some dirt and grime on the TCM connectors as well as the two ECM connectors, so I made sure to spray those out really well before reinstallation.

@FlipBoji Год назад

@@forbro8301things still good so far? Just ordered my tcm from upfix and I’m anticipating the moment my car drives safely and smooth again

@jkjwf 2 года назад

Nice video. Do you think a bad TCM could cause a rattling when I rev the engine in reverse and drive? It sounds like the a gear is broke off but I’m not sure.

@sargecollects 2 года назад

The only time my car ever jerked around is when I went into drive and switching gears. I rev up engine in park and nothing ever happened….just when I drive.

@royquesada5295 Год назад

Did you have codes that started you on this journey?

@sargecollects Год назад

Actually I don’t remember. I just troubleshot everything. Car runs great now.

@KRYINGFREEMANX 2 года назад

Have u heard of upfix ? Are they reliable

@sargecollects 2 года назад

Have you watched my other videos about upfix?

@ashotavetisyan7410 3 года назад

please tell me which pcm pin is the cruise wire going to,

@sargecollects 3 года назад

Sorry I’m not sure about that one.

@shuklaz Год назад

Should I relocate the TCM mine has 92K miles, I wonder I should do it as preventative maintenance instead of waiting it to blow up

@sargecollects Год назад

yes. That's what most people have done.

@gavinpowell3107 2 года назад

my at light was coming on 15 min after driving, I left my old tcm and relocated it , now my light comes on after about 45 min to hour if you have lots of km as I do and don't want to spend money on a part worth as much as my car now try that

@sargecollects 2 года назад

Thank you

@Unknownuser12356 Год назад

Where can I get the module part ??

@sargecollects Год назад

Amazon or upfix

@josephlind5773 3 года назад

I just replaced my TCM in my mazda 3 2008 , but a new code showed up and I looked everywhere for help . Wondering if you had this problem or know how to fix/where to start. P0791 code (intermediate shaft speed sensor "A" circuit) For the life of me I cannot find this sensor.

@sargecollects 3 года назад

I never had this issue. The speed sensor might be around the transmission housing.

@victoramaya8589 3 года назад

Did you ever have anymore issues with Tcm after replacing it I was thinking about getting it through upfix aswell

@sargecollects 3 года назад

So far no issue. Yes, Up fix was pretty good when I ordered my TCM. I ordered at full price and returned my “old one” and I was credited back the deposit price.

@jimsefulu4385 2 года назад

Hii im looking that box the Mazda premacy 2008 please

@KevinGarcia-kz4kh 3 года назад

Where did you order the module from? I need to get one for mine

@sargecollects 3 года назад

I ordered mine from upfix.com. I actually took the car out for a drive today and it still runs great. I am planning on doing a video update of my daughter’s car.

@alex_rodriguez777 2 года назад

Can I ask what you paid for yours? I don’t see a price on the link you provided

@sargecollects 2 года назад

I believe it was $250 from upfix.com.

@alex_rodriguez777 2 года назад

@@sargecollects Understood, appreciate the response Did you send in your unit or have them send you one first then send yours back for the refund?

@sargecollects 2 года назад

@@alex_rodriguez777 I had them send me a new one and I returned my old one.

@RealCazTv Год назад

Where did you buy the part from?

@sargecollects Год назад

Upfix

@RealRosieRuiz 3 года назад

Nice work!

@sargecollects 3 года назад

Thanks. My daughter’s car is still running.

@IVIusicMayhem 2 года назад

How was your experience going through UpFix services? My TCM communication code kicked back U0101 on the OBD according to the dealership. They said the parts are in nation back order. Was hoping I just send mine back for repair. Any insights would be greatly be appreciated! And thank you for your service!

@sargecollects 2 года назад

I had a great service with upfix.

@IVIusicMayhem 2 года назад

@@sargecollects perfect thank you for sharing 👍!!

@sargecollects 2 года назад

@@IVIusicMayhem good luck!

@IVIusicMayhem 2 года назад

@@sargecollects will report back for everyone else after! Very helpful, glad you made this video

@sargecollects 2 года назад

@@IVIusicMayhem love my Mazda 3 lol

@saifmohammed2977 3 года назад

Thats my tcm part number on thumbnail. I'm looking for same part. 😭😭

@saifmohammed2977 3 года назад

Can we use L34T 18 9e1a instead of L34T 18 9e1c?

@sargecollects 3 года назад

Yeah, I’m pretty sure. I believe someone told me it’s just a software identifier the 1A 1C.

@saifmohammed2977 3 года назад

@@sargecollects what's software identifier?

@sargecollects 3 года назад

@@saifmohammed2977 the 9e1A to 9e1C

@saifmohammed2977 3 года назад

@@sargecollects understood that. But what do u mean by software identifier?

@sargecollects 3 года назад

@@saifmohammed2977 the “1A” and “1C”. As long as you have the same part number L34T 18 you should be good to go. Again, I went with upfix and they can also help out even more.