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My TCM failure experience

31K views 14 replies 10 participants last post by  mr_cassandra  
#1 ·
I just wanted to let the board know about what I just experienced over the weekend when the TCM failed on my 2012 Focus with 46,250 miles.

I was driving at about 30 mph through a residential area at a steady speed (which was about the perfect time for it to fail) when I lost drive and the transmission acted like it just went into neutral.
When this happened, I had a check engine light, traction control light, and a warning on the cluster that there was a "parking aid malfunction" (or something to that effect).
Of note, my car does not have park assist.

So, I tried to put it in park, then back into drive, but it still acted like it was in neutral - the engine was running, but I couldn't go anywhere.
I then shut the engine off and tried to restart it, however it would not even crank over and I was now getting the same "parking aid malfunction" error on the instrument cluster display.
I also noticed that when I shifted out of "S" (sport mode), that the instrument cluster display still indicated that I was in "S" regardless of where I put the shift lever.

Some people have reported that they have had this happen to them intermittently and after waiting a few minutes, the car could be driven again - this was not my experience. It was dead. I waited 2.5 hours for a tow to arrive and it was still dead.

I used Ford's complimentary towing to have it taken to my servicing dealer in the area and they were able to look at it this morning to verify the TCM has failed.
It sounds like the car should be finished on Wednesday this week, which seems reasonable to me.
I can say that I am extremely thankful for manner in which mine failed...about the safest possible scenario. However, it does make my question why this hasn't been a safety recall, just due to the failure mode alone.
 
#2 ·
Update.
Car was completed a day sooner than expected.
However upon test drive they found that the clutches are slipping beyond the allowable spec so they have ordered these parts. Apparently there is a 6 week backorder on them right now.
I have the car back with the new TCM installed and will drive it while awaiting those parts to come in.

What is interesting about the slipping condition is that I have had almost no shuddering on acceleration from a stop, whether the powertrain is warm or cold.
When the test was performed around 25,000(ish?) miles on the car, when I was complaining of severe shuddering, the clutches were holding per their test. So, the seal(s) must now be leaking fluid onto the plates is my assumption. Shocking, I know. [?|]
 
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#3 ·
I realize you clearly have an agenda here, based on all of your posts on this forum.

Everyone should know these repairs have not cost me a dime out of pocket, including the tow.
I'm not an apologist for a poorly designed transmission or its components, but I've found that the quality of your dealer can make or break your experience. It was simply my goal to inform others what I had experienced so they have a point of reference for the failure mode and its symptoms.
Your mileage may vary.
 
#6 ·
I'm sorry to hear about you having what sounds like a bad dealer experience.

I can say that after I bought my car, I had a lot of issues with it. I kept taking it back to the dealer I bought it from and when there were 4 things that they couldn't get right on the 3rd try, I was absolutely fed up. And we're talking little things that there were service bulletins that clearly detailed the fix. When I'm the one that has to bring in a copy of the bulletin, we have a problem. Having worked in a dealership service department (non-auto) for 9 years, I understand that mistakes can happen. I also understand that dealers are at times hamstrung by the manufacturer. 9 times out of 10, there are ways for the dealership to step up to the plate. These guys couldn't figure it out.

So, I gave up on them and went to another Ford dealer in town who has treated me as well as I've ever been treated by a car dealer in 18 years.

I also expect the right support from my $28,000 sticker price product as well. I can also step back and have reasonable expectations based on my professional experience.
 
#8 ·
Hey, glad to hear you weren't travelling fast on a highway or something like that when it happened.

I had something similar happen to me and luckily it was on a quiet residential street. I've also just recently had mine replaced under warranty.

With Ford extending the warranty to 10 years, does this mean they're expecting the TCM to fail again?
 
#9 ·
What was the mileage when yours failed?
Not sure what their expectations are. I was under the impression that the latest units cure the issues that the early TCMs had, but I guess time and mileage will tell.

I've pretty much lost hope on this transmission. Mine makes hellatious noises on the 1st to 2nd and 2nd to 3rd upshifts at slower speeds and lower throttle positions that would make any mechanic squirm, but the dealer's hands are tied by ford in most respects.

**edited. Misread dutd33's post.
 
#10 ·
The problem with warranty work is that manufacturers only give a very limited time to complete the work, and pay poorly for it to the dealership. If there are a whole host of warranty jobs, it becomes a complete pain in the butt for the dealerships thanks to the manufacturer screwing up. I don't like the dealerships giving people the runaround, but this is just the way it is. They are dealerships, they are not Ford run sale centre's.
 
#13 ·
Good comment.

This explains to any who didn't know a major reason that warranty service can vary between Dealers.

Some take the long term outlook & dedicate themselves to good service for all customers & repeat business, others do the minimum they can get away with.

With some scamming the system to make more profit from warranty work not needed or not even performed, the Manufacturers end up doing more policing for excess claims than to ensure all claims are handled well.

High claims percentage is unfortunately more likely to be from a scam than from good service.
 
#12 ·
'...does this mean they're expecting the TCM to fail again?'

Short answer is possibly yes, they are trying to get you ready for it if it happens and the odds are high it will. It's what they do when a problem is not one time guaranteed fixed. They issue a blanket extended warranty on one part or assembly when the replacement is no better a fix than what was in car before.