CP4 to CP-ISB21S3 (revised CP3) change for 2021 6.7L Diesel Trucks -- Merged Threads

[MtnRider]

.... But he also said that about a month ago they got a bulletin from FCA that said if they had any trucks with the CP4 that they couldn't be sold until they were fixed. They didn't have any so he didn't know exactly what the fix was. He said until I get a letter from FCA with a recall OR it breaks, I have to sit tight and wait.

I would bet money that the dealer was confusing the CP4 with the grid heater relay problem that did have a stop sale on trucks.

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[Wmhjr]

I just called a local dealer and he told me that they have not seen any CP4 failures at his dealership. But he also said that about a month ago they got a bulletin from FCA that said if they had any trucks with the CP4 that they couldn't be sold until they were fixed. They didn't have any so he didn't know exactly what the fix was. He said until I get a letter from FCA with a recall OR it breaks, I have to sit tight and wait. To me that's encouraging as it tells me something's coming. I absolutely love the truck so I'll wait. I also called Ram customer service but he couldn't shed any light either. I kinda think they're gearing up to have enough parts to do it right.....at least I hope so.

My dealer is more experienced with CP4 failures having dealt with them. They have not had a ton, but it's more than a 1% failure rate for darned sure.....

They are actively selling used CP4 trucks (including the one I just traded back to get a '21). They have not had any '20s in stock for quite a while. As of yesterday at 5pm, they claimed to have gotten zero information from FCA concerning the issue, nor have they gotten any directive whatsoever.

I would be very interested to hear more to backup what your dealer told you. This is the very first I (or anyone else to my konwledge) has heard of that sort.

 

[Wmhjr]

I would bet money that the dealer was confusing the CP4 with the grid heater relay problem that did have a stop sale on trucks.

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That is exactly my thought.

 

[Wayne007]

I would bet money that the dealer was confusing the CP4 with the grid heater relay problem that did have a stop sale on trucks.

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That's very possible but I distinctly said CP4 pump. My thoughts are what else do we do? Trade it for what???? Every one of the big 3 has something that's not right. How long before the '21's start showing some defects? I'd get rid of it now but my '69 GTO won't pull a trailer

 

[Wmhjr]

That's very possible but I distinctly said CP4 pump. My thoughts are what else do we do? Trade it for what???? Every one of the big 3 has something that's not right. How long before the '21's start showing some defects? I'd get rid of it now but my '69 GTO won't pull a trailer

My '66 GTO has enough torque (550lbs) but I wouldn't want to... However it's not about other defects. This one is pretty critical to me - which is why I traded out of it.

Pic of my '66 at Tail of the Dragon just for kicks....

 

[Wayne007]

My '66 GTO has enough torque (550lbs) but I wouldn't want to...

My '69 with a 455 has enough too but I also wouldn't do it.. My point is, yes this is an important thing but I'm gonna wait a few more months before trading one problem for another possible problem.
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[Rob122]

The truck market in North America is incredibly competitive. Anyone with half a brain in management would realize that this presents a fantastic opportunity to turn a mistake into a positive for FCA. I'd fire someone if they let the chance to make this right and get positive social media feedback going globally slip by. RAM has put a huge amount of resources into this segment, only a total moron would let that slip away. It's the internet age, if they do this right the positive press would be more valuable than any advertising campaign.

 

[Wayne007]

The truck market in North America is incredibly competitive. Anyone with half a brain in management would realize that this presents a fantastic opportunity to turn a mistake into a positive for FCA. I'd fire someone if they let the chance to make this right and get positive social media feedback going globally slip by. RAM has put a huge amount of resources into this segment, only a total moron would let that slip away. It's the internet age, if they do this right the positive press would be more valuable than any advertising campaign.

That's what I told the guy at Ram customer service. I told him if they step up and make this right , they'll probably kick Ford and GM to the curb and take the #1 spot. They can't buy the advertising edge this would give them.

 

[KBob]

2020 Tradesman, early CP4 owner. I keep this thread up on my PC (yes I'm old) and never take it down. I check it every week or so. Whoever said, " hopefully they are just getting their parts figured out, and waiting to have their ducks in a row before they do a roll out on Something"... I'm praying You're right. At the very Very least, offer a conversion kit for sale at cost, and let you keep your warranty? I love my truck so much, and my 6.7 has been flawless. If my early CP4 makes a noise doing it's job I can't hear it. First oil change at 5000, only used 2 cups of oil. Had the oil analyzed, and came back clean. Changed the rear fuel filter at 5000 too just to look for glitter......... nothing. 2000 miles of towing on the fresh 5W-40 and it didn't use a drop. I don't want a different truck, or a newer truck, just reliability so I can sleep at night. The plan is to run this one for 10 years, and it will most likely have less than 100K on even then. Come On RAM! Don't let us down..........

 

[Dwilly]

Anyone from Canada on here that had a failure? The rumors are that our diesel is better than Murican' diesel in terms of lubricity.

 

[Wmhjr]

. If my early CP4 makes a noise doing it's job I can't hear it.

Is there any track record of actually being able to hear when a CP4 starts going bad? I didn't think so - beyond the chimes from the truck when it starts to completely fail.

 

[Epsilon Plus]

The truck market in North America is incredibly competitive. Anyone with half a brain in management would realize that this presents a fantastic opportunity to turn a mistake into a positive for FCA. I'd fire someone if they let the chance to make this right and get positive social media feedback going globally slip by. RAM has put a huge amount of resources into this segment, only a total moron would let that slip away. It's the internet age, if they do this right the positive press would be more valuable than any advertising campaign.

Nah, nobody is watching this issue. This thread only has 99 thousand views. Will only be 100k by the 4 month anniversary of the "service solution" announcement tomorrow.

 

[KBob]

Is there any track record of actually being able to hear when a CP4 starts going bad? I didn't think so - beyond the chimes from the truck when it starts to completely fail.

You know, I have a mechanics stethoscope hooked to a microphone, but just haven't gotten around to recording what it sounds like. I've read posts of people hearing the CP4 start to "rattle" at idle, and taking it to the dealer before it completely blows. Most people are driving down the highway when it goes, and everything just comes to an abrupt stop as the dash light up with codes.

 

[red]

Anyone from Canada on here that had a failure? The rumors are that our diesel is better than Murican' diesel in terms of lubricity.

I'm in Calgary and asked a service advisor the other day. He said he hasn't heard of one yet.

 

[Brewbud]

I'm in Calgary and asked a service advisor the other day. He said he hasn't heard of one yet.

That adds some credence to the better fuel in Canada theory.

 

[Dwilly]

So what Ram says sometimes is partly correct. Crappy fuel. However if that's the only fuel you have available then its not anyone's fault. I can only imagine what crappy contaminated diesel does to that fuel system.

 

[Dwilly]

And by anyone's fault I mean the owners...not FCA or Bosch. Surely they can design a modern high pressure pump that lasts.

 

[alangley]

So what Ram says sometimes is partly correct. Crappy fuel. However if that's the only fuel you have available then its not anyone's fault. I can only imagine what crappy contaminated diesel does to that fuel system.

I’m in Canada, run nothing but friesel out of slip tanks and drums. Obviously one of the big reasons drive a diesel, if anything happens which it hasn’t in 10 years(proper water block filtering and conditioner) I’ll just run a test kit of fuel from Cummins just like the oil samples. btw my filters were both black AF the first time I changed them idk if it was from the dye in the fuel or what but no glitter.

 

[Epsilon Plus]

And by anyone's fault I mean the owners...not FCA or Bosch. Surely they can design a modern high pressure pump that lasts.

Look in the 2018 and 2021s. You'll find it there.

 

[exiledinaz]

And again, advocating for totally throwing a 5yr 100k mile warranty for that one component also isn't an acceptable solution.

As for the other brands, they are not overclocking the CP4. The failures are not as frequent.

My option was to spend a ton of extra money and trade in a 6 month old truck on a new one. Not everyone will be able to do that. Nobody should have to make a choice between rolling the dice about the fuel pump and rolling the dice on the tranny, etc for warranty.

That being said, I think the "head and shoulders above" thing is also an opinion. There are things about the competition I like also.

What I'm really advocating for is for RAM/FCA to step up to the plate - otherwise there are plenty of owners out there who do share your opinion and may well walk away. Beyond that, I am completely positive that there are potential owners that have decided to go elsewhere. One major factor here is that we factually know that FCA has in a number of occasions attempted to deflect blame for this on "bad fuel", etc and has acted in bad faith. So, there is not only a pump issue there, but also a support issue. Clearly COVID has potentially impacted this as well, but the fact that failed trucks are taking 3 months to fix and FCA does nothing to help with a "suitable" replacement in the meantime makes the situation worse. What I'll also add is that while everyone has a right to their own opinion, yours certainly does not help provide influence to get the people responsible for the issue to properly deal with the issue. You are advocating for people to pull $3k out of their pockets to fix a problem that should not exist and will void their warranty. Bluntly - that is not helpful.

My opinion is , I had FCA poop down my throat with a 2018 Jeep 2.4L that was using 1 quart oil per 1K MILES at 15K on the clock and took the flunkie mechanic/turned service persons word for it at Larry Miller Surprise,Az . I had to get rid of the JEEP because they would not follow their own TSB of 2K 1 quart per mile oil usage. So warranty is not a question in my mind at all. S&S will be installing their CP3 should FCA do what I think they will do in late May/June 2021.
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