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Count me as another with catalytic converters issues. Love the mini van in almost every way but driving down highway with about 2500 miles on my new 2018 and check engine light came on. No other indicators were out of line but by the time I could safely pull over my engine completely stalled and I had a burning smell. Dealer says it’s the cat converter (and ACC SW?) issue. There are many ways this could have been better handled by Chrysler (like doing the fix that they knew about before I actually picked up the vehicle or at least notifying me of the need or issue). Doing nothing was about the only way to screw this up. Very disappointing and potentially dangerous. Pretty bummed and hope these fixes are legit and lasting.
 

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I assume you have a hybrid. (I don't). Search the U73 recall threads. If I remember correctly, the U73 recall that was supposed to fix the ACC software glitch somehow bollixed up some other software processes and that resulted in the catalytic converter issues.

It is possible that you got delivery while the U73 recall was suspended because of this. Got to mopar.com and put in your VIN. Better yet, get an account so you can go straight to your owner dashboard. It will show you any recalls and their status. It will also show you lower level updates slated for your van.

NHTSA at safercar.gov does this as well for NHTSA recalls, but only for OPEN NHTSA recalls. If it is reported complete, it disappears for your VIN - there is no history.

This forum thread may have good information for you -- as I said, as a gas model owner, I only look at it intermittently: https://www.pacificaforums.com/forum/433-2017-chrysler-pacifica-phev-hybrid-general-discussion/39764-u73-cruise-control-update-hybrids-might-cause-catalytic-converter-problems.html#post522842

There may be other threads.

Good luck.
 

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....It is possible that you got delivery while the U73 recall was suspended because of this...
Actually, looking more closely at that U73 thread, you probably HAD the U73 recall done. Not exactly clear to me how they fixed the bad U73 -- don't have time to read all the posts in the thread, but I guess your van has NOT had that followup done.
 

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Count me as another with catalytic converters issues. Love the mini van in almost every way but driving down highway with about 2500 miles on my new 2018 and check engine light came on. No other indicators were out of line but by the time I could safely pull over my engine completely stalled and I had a burning smell. Dealer says it’s the cat converter (and ACC SW?) issue. There are many ways this could have been better handled by Chrysler (like doing the fix that they knew about before I actually picked up the vehicle or at least notifying me of the need or issue). Doing nothing was about the only way to screw this up. Very disappointing and potentially dangerous. Pretty bummed and hope these fixes are legit and lasting.
Assuming you have a hybrid, you are a victim of Chrysler's mishandling of this known issue. The cruise control recall, otherwise known as the U73 recall, was issued at the end of May and the fix was issued in mid June. It contained a bad update to the power train control module (PCM). On August 17 Chrysler discovered this and issued a stop order for the U73 recall, telling dealers to cancel appointments for customers that wanted to have the recall work done. About a week later they lifted the stop order and at the end of August issued this Rapid Response Transmittal (RRT) number 18-087: https://www.dropbox.com/s/4ulfaiynxkyvivi/Emmisions control RRT.pdf?dl=0

So they knew that any vehicle that had the U73 recall done before August 17 was operating with faulty PCM software. The fix to this was published as an emissions control RRT bulletin, not a safety recall, despite the fact that it could damage the catalytic converters and thereby cause a loss of power. Some have even had their catalytic converters get so hot that other nearby components caught fire. The thing about RRT bulletins is that there is no mechanism to notify owners of their existence. Many of the dealers don't know about this one either, so they will sell you a vehicle that had the U73 fix applied before August 17 and that has not subsequently had the RRT 18-087 fix applied. And this situation continues to this day, six weeks after the RRT bulletin was issued.

So if your vehicle was manufactured before August 31 and had the U73 update applied either at the factory or at the dealer before August 31, it is was caught up in this mess.

I would suggest filing a complaint with the NHTSA. You can do this online at https://www-odi.nhtsa.dot.gov/VehicleComplaint. There are rumors that there are enough complaints that the NHTSA is might start an investigation and force Chrysler to reissue this as a safety recall, so I suggest you add your voice to the chorus.
 

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Count me as another with catalytic converters issues. Love the mini van in almost every way but driving down highway with about 2500 miles on my new 2018 and check engine light came on. No other indicators were out of line but by the time I could safely pull over my engine completely stalled and I had a burning smell. Dealer says it’s the cat converter (and ACC SW?) issue. There are many ways this could have been better handled by Chrysler (like doing the fix that they knew about before I actually picked up the vehicle or at least notifying me of the need or issue). Doing nothing was about the only way to screw this up. Very disappointing and potentially dangerous. Pretty bummed and hope these fixes are legit and lasting.
Hello Ranazarian,
We deeply regret to learn of this experience and understand your frustrations. We would like to make sure we can assist while you are working with your dealer and that we have your feedback documented. Please send our team a private message with additional details.
Julie
Chrysler Social Care Specialist
 

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I might have fell victim to this issue as well. I have another thread on this forum with my van dying on me while driving. So far, my service department has updated me as this being a probably culprit and fix from FCA. But they really don't know until they try this and see if the car has any remaining issues.
 

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Wow! Looks like I'm caught up in this U73 mess, too. Long story short, after a breakdown (see this post) I ended up taking my PacHy to a closer dealer because my original dealer had changed hands and wasn't showing up in the list when I called Chrysler roadside assistance.

New dealer fixed the breakdown and told me they were performing other needed "service bulletins." When I got the car back they told me they needed to install a new catalytic converter and would call me when it came in. That appointment is for Thursday, the day after tomorrow. The service manager said something to the effect that they used the boroscope and found some damage so it had to be done.

I went over my paperwork and found I was one of those given the bad U73 update on July 11, 2018. What bothers me now is that I can find no indication that the PCM was updated during this more recent service. You can bet we'll be having a discussion about that on Thursday or maybe even before.
 
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