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2024 SILVERADO 3500HD DURAMAX CLOGGED DPF AND WONT CONNECT TO TRAILERS

Clark Shirley
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64BAwagon Senior Enthusiast

64BAwagon

Posted
Posted

A lemon law lawyer filing on them will speak louder than anything you could say at this point. Document, document, document. If it isnt in writing they will say it didnt happen, nothing should be done verbally. 

I wouldnt expect anything from this dealer at this point, theyve already written you off. 

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Fishfighter
Fishfighter

There is more to this story

Epsilon Plus
Epsilon Plus

There is not now, and will never be a "I thought they fixed this X year" with DEF/DPF and the fragility that is the modern emissions laden diesel of any brand. Modern diesels are a sad irony. The most

newdude
newdude

Sounds like a faulty DPF rather than a clogged one.   Anywho, that's what warranty is for but sounds like you are off to a bad start if they've sent you a cease and desist.  Just trade it in

Jettech1 Senior Enthusiast

Jettech1

Posted
Posted
4 hours ago, Epsilon Plus said:

There is not now, and will never be a "I thought they fixed this X year" with DEF/DPF and the fragility that is the modern emissions laden diesel of any brand. Modern diesels are a sad irony. The most powerful they've ever been. The most unreliable and untrustworthy they've ever been. Shame. 

Best words I've ever heard you speak sir!

 

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64BAwagon Senior Enthusiast

64BAwagon

Posted
Posted

Exactly why I am on my 2nd 3500HD gas 6.6 truck. I love the diesel power but I am tired of being a beta tester for GM while they chase emissions standards that are forever advancing. 

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Clark Shirley Enthusiast

Clark Shirley

Posted
  • Author
Posted (edited)
On 9/2/2023 at 4:24 PM, Rototerrier said:

All of this is what lemon laws are for. Throwing a tantrum isn’t the way. The dealer sold you a defective truck they received from the manufacturer. Your options are clearly outlined in your state’s Lemon laws and is technically between you and gm, not the dealer. Attempt to get it fixed so many times and then file the paperwork and get yourself a new truck. I’ve done it 4 times in 20 years. It’s just how the game is played. Best you learn the rules and stop fighting it. You’ll stress less. 

The dealer sold me a truck that they owned, hence it the dealerships fault. I didnt buy a truck from GM because its illegal. I bought a truck from that dealership. So I will not just submit to the dealership and let them off without a worry. Ethics and morals would have the dealership put me in a new truck and then they deal with GM...hell even common sense would say that. Its sad people like you just bow down to the dealerships. The lemon laws should be change and unless people start complaining and having common sense solutions offered (like i just suggested) then nothing gets fixed.

 

Edited by Clark Shirley
Clark Shirley Enthusiast

Clark Shirley

Posted
  • Author
Posted
On 9/3/2023 at 1:10 PM, 64BAwagon said:

Exactly why I am on my 2nd 3500HD gas 6.6 truck. I love the diesel power but I am tired of being a beta tester for GM while they chase emissions standards that are forever advancing. 

Yeah I hear what you are saying. I actually traded in my 2017 silverado 1500 because it had the infamous torque converter shudder that GM didnt have a fix for. I think i finally learned my lesson of not buying GM anymore.

64BAwagon Senior Enthusiast

64BAwagon

Posted
Posted

If you havent consulted a lemon law attorney in your state and followed their advice your just beating your head against an immovable object. The laws vary widely from state to state. In my opinion your angst towards the dealer only hardens them to your plight. I have been in your situation and the angst is counter productive. 

But I am just some random guy on the internet and you should instead listen top your attorney and following them. 

 

Best of luck  

Lawnboy01 Enthusiast

Lawnboy01

Posted
Posted

In response to your other issue, not connecting with trailer. Please elaborate on that. Mine disables the trailer brakes. Of course dealer and gm “it’s your trailer”. But it isn’t. It’s an issue of the truck not working with electric over hydraulic brakes. I hooked to another trailer just like mine. Brakes didn’t work with that trailer either. 

madweazl Enthusiast

madweazl

Posted
Posted

You dont need a lemon law lawyer; if your states supports it, contacting the BBB is all you'll need to do to get a response from the manufacturer (very quickly). I've been there, I've done that. It's sucks but it's a fairly easy process. You can try peeing in the wind with the dealer if you want but your not going to get anywhere, regardless of how you think the process should go. 

 

 

madweazl Enthusiast

madweazl

Posted
Posted (edited)
2 hours ago, 64BAwagon said:

The BBB is a joke. They are funded by the auto companies and lack objectivity. Dont waste your time on the BBB. 

They were fantastic with helping me. Ford responeded to the BBB and my claim in 2 days (this was a buy back of a '19 Shelby GT350). The BBB facilitated a resolution between us in the week following. But by all means, go spend money on an attorney first...

Edited by madweazl
64BAwagon Senior Enthusiast

64BAwagon

Posted
Posted

I am glad it worked out for you. Youre the first person I have encountered with that type of success. My dealings with them were exactly the opposite. My brother had a F150 in the 90's that Ford could never fix (it had a driveline vibration) and the lemon law lawyer was his only remedy. If your case is solid the lawyer takes his fees from the Company and not you. 

  • 2 weeks later...
Kerry Pulaski Enthusiast

Kerry Pulaski

Posted
Posted

Oh Boy......Sad to hear.  I just turned 1,800 mi. on my '24 Duramax. Saying prayers.  Yes the Lemon Law is on your side, on our sides. Go after it.  Dealer should have had GM get involved, rather than getting you more upset with a legal letter. Terrible decision on the dealers action, and lack of, for working on a resolve for you.

FYI, my '16 Duramax needed a new DEF sensor at 45k mi.

  • 2 years later...
DroppingDiesel New Member

DroppingDiesel

Posted
Posted

Clogged DPF at low miles is way too common on these new ones. A lot of guys are going the delete route to avoid constant regens and expensive replacements. Worth looking into if you're out of warranty soon

ManyCamaroz Enthusiast

ManyCamaroz

Posted
Posted (edited)

I had an issue with a new 1985 Z-28 some years ago. The 4WDB's were less than adequate when purchased IMO.  I had taken it in for small warranty services and asked them on three occasions to check them. Each time is was "could not duplicate on the service ticket. The warranty ran out about a month after my last visit and had to take it back for warranty rework. I again complained about the brakes. Well, low and behold, this time they determined the rear calipers were sticking and gave me a quote to repair. They had records as well as O had receipts of each time complained about the brakes while still under warranty. My dad was a life long body shop owner and told me to keep my cool and tell them that I wanted to speak to the GM Regional District Manager. The service manager disappeared for a few minutes, came back and told me they would replace the calipers free of charge. 

Edited by ManyCamaroz
  • 2 weeks later...
Rick_ Enthusiast

Rick_

Posted
Posted
On 7/9/2026 at 11:34 PM, DroppingDiesel said:

Clogged DPF at low miles is way too common on these new ones. A lot of guys are going the delete route to avoid constant regens and expensive replacements. Worth looking into if you're out of warranty soon

There is a new software security system/encryption on the '24 and up GM diesels and as far as I know, not even the Canadians nor eastern bloc hackers have jailbroke these ECMs.  Hence, you can look hard but there are no delete kits for a '24 GMC/Chev Duramax.  '23 L5P, yes, '24, nope.  
My '24 has had no ATS issues in 60k miles, knock on wood.

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