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Discussion Starter · #1 ·
Good Morning All!
I have been lurking for some time and have a 2018 babymax. First time poster.
I know some of you have quite extensive knowledge and I am hoping someone can point me in the right direction.

I had the reductant heater code and it caused a Check Engine light. This happened to me twice last winter and when I disconnected the battery the check engine light would go out (obviously) and then it would come out of the limp mode(175 miles till whatever) and then I would be good until it we got another bad cold snap. This winter I had the problem again and I cleared the code however my truck did not come out of limp mode. I ended up bringing it to the dealer and they cant find a problem and now it is out of limp mode and I am going to take it back for now.

My question is how the hell did they get it out of limp mode when I could not this time? I did it last winter. Same code same problem, check engine light went out but limp mode would not. Is there a procedure to get it out of limp mode when there is no longer a problem?

I have a fancy scan tool, I know a regen would have nothing to do with my DPF but does that procedure take it out of that mode? I thought I read that here at one time.

Any help would be appreciated. I will buy you beers one night I promise!
 

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Discussion Starter · #2 ·
Looking through some other threads I found this "Now apparently, there's a procedure called an "Emissions tamper test" that runs through and verifies the function of every single component in the system one by one. THIS TEST IS HOW THEY RESET THE COUNTDOWN AND/OR SPEED LIMITER for those of you who have been told they cannot do that. "

Now the question is there a tool that does that other than the GMtech2?
 

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Discussion Starter · #3 ·
Ok I know I am talking to myself but at least it is here now if anyone needs this info or has a similar problem.
Looks like OBDLINK MX+ with Gretio on the Google Play Store can run this test to remove the DIC countdown.
 

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Discussion Starter · #5 ·
I was going to post that info, the guy who wrote the app is one of the users on the colorado fans forum.
Thank you so much for confirming this. I love my truck but man it can be frustrating dealing with all of the crap they have done to make it almost impossible to repair or keep your own property functioning. I hope that right to repair laws become more prevalent and that they stop imposing their political agenda driven legislation on the common man.
 

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Thank you so much for confirming this. I love my truck but man it can be frustrating dealing with all of the crap they have done to make it almost impossible to repair or keep your own property functioning. I hope that right to repair laws become more prevalent and that they stop imposing their political agenda driven legislation on the common man.
One could only hope !
 

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Good Morning All!
I have been lurking for some time and have a 2018 babymax. First time poster.
I know some of you have quite extensive knowledge and I am hoping someone can point me in the right direction.

I had the reductant heater code and it caused a Check Engine light. This happened to me twice last winter and when I disconnected the battery the check engine light would go out (obviously) and then it would come out of the limp mode(175 miles till whatever) and then I would be good until it we got another bad cold snap. This winter I had the problem again and I cleared the code however my truck did not come out of limp mode. I ended up bringing it to the dealer and they cant find a problem and now it is out of limp mode and I am going to take it back for now.

My question is how the hell did they get it out of limp mode when I could not this time? I did it last winter. Same code same problem, check engine light went out but limp mode would not. Is there a procedure to get it out of limp mode when there is no longer a problem?

I have a fancy scan tool, I know a regen would have nothing to do with my DPF but does that procedure take it out of that mode? I thought I read that here at one time.

Any help would be appreciated. I will buy you beers one night I promise!
You got lucky getting it out of limp mode
The heated Line for the DEF is bad
It has quick connects and has to be fished thru the frame you can do it in about 1.5 hours
Code will clear after line reprimes
 

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I think i am beginning to go down this road. I got the "poor quality def" message took it to the dealer. They said mech would not be back to work for 2-3 weeks. Left the truck it has been there 4 weeks. got a call they had diagnosed the problem and parts ordered. monday will be 3 weeks. Oh well aint service grand.
 

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Discussion Starter · #9 ·
You got lucky getting it out of limp mode
The heated Line for the DEF is bad
It has quick connects and has to be fished thru the frame you can do it in about 1.5 hours
Code will clear after line reprimes
Thank you for this info. I am looking into getting the line myself because I so tired of the dealership.
 

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Discussion Starter · #10 ·
I think i am beginning to go down this road. I got the "poor quality def" message took it to the dealer. They said mech would not be back to work for 2-3 weeks. Left the truck it has been there 4 weeks. got a call they had diagnosed the problem and parts ordered. monday will be 3 weeks. Oh well aint service grand.
Yea the fact that you can not get anything done with these vehicles makes me not want to shop GM anymore. I am super disappointed and pissed. It has gotten to the point where most dealerships can not seem to get parts or get anything done.
 

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I have a 2006 3500 dodge cummins with 215000 miles that has been trouble free. The only time it was returned to dealership was for airbag recall. This colorado has had a radio screen replacement and now this. All this has been in the last six months well actually five. It has been on the back lot at dealership for a month. My local Chevrolet dealer would not honor the Certified PreOwned Chevrolet warranty. I had to contact GM and that took a month to go thru the channels. Now this, I don't see a long-term relationship with this vehicle. The sad part is I really liked the truck. But i cant have a vehicle that might get me 500 miles from home with a boat intow and go into LIMP mode!!
I will further state it is not all GM but the intervention of GOVERMENT and decision making by politicians!
 

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I have a 2006 3500 dodge cummins with 215000 miles that has been trouble free. The only time it was returned to dealership was for airbag recall. This colorado has had a radio screen replacement and now this. All this has been in the last six months well actually five. It has been on the back lot at dealership for a month. My local Chevrolet dealer would not honor the Certified PreOwned Chevrolet warranty. I had to contact GM and that took a month to go thru the channels. Now this, I don't see a long-term relationship with this vehicle. The sad part is I really liked the truck. But i cant have a vehicle that might get me 500 miles from home with a boat intow and go into LIMP mode!!
I will further state it is not all GM but the intervention of GOVERMENT and decision making by politicians!
Yup government overreach is getting worse by the day. Our country is so screwed!
 

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Discussion Starter · #17 ·
I have a 2006 3500 dodge cummins with 215000 miles that has been trouble free. The only time it was returned to dealership was for airbag recall. This colorado has had a radio screen replacement and now this. All this has been in the last six months well actually five. It has been on the back lot at dealership for a month. My local Chevrolet dealer would not honor the Certified PreOwned Chevrolet warranty. I had to contact GM and that took a month to go thru the channels. Now this, I don't see a long-term relationship with this vehicle. The sad part is I really liked the truck. But i cant have a vehicle that might get me 500 miles from home with a boat intow and go into LIMP mode!!
I will further state it is not all GM but the intervention of GOVERMENT and decision making by politicians!

Boy, do I hear your frustration sir. You are certainly not alone. I have had such a hard time lately with this thing. I am in such a fricken bind. I don't know when it will stop but the people who support this kind of crap, I PRAY TO GOD, the chickens start to come home to roost for them. Hopefully people wake up and stop imposing crap on us and really themselves. I just hope we get some semblance of control and normalcy before they crash this whole thing into the dirt.
 

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Discussion Starter · #18 ·
What will 200 buck get you? I was told by a reptuable source it could be as much as 3800.00 that is a total del. and transmission program.
I wish this was an option for me. I would be doing it right now. Where I live they scan for all of the readiness monitors to be set and passed. With a kit like this they would not be and the truck is not heavy enough to be exempt. I wish I had considered this before buying the truck. I didn't realize they had set it up the way they did, just like a gasoline car with all of the readiness checks for emissions for inspection purposes.
 

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Well i got the truck ba20311111111ck today with no charges, all covered under the warranty. They said they replaced the catalytic converter, oxygen sensor, and def injector. It does not have the prices on my work order but i bet it wasnt cheap. Now i am wondering if this is a every 50,000 mile occurance or just a freek thing. Service manager said this was the first for them but this is the first colorado duramax they had worked on, not many around here. That in its self is scary.
 

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Ok I know I am talking to myself but at least it is here now if anyone needs this info or has a similar problem.
Looks like OBDLINK MX+ with Gretio on the Google Play Store can run this test to remove the DIC countdown.
I’m having similar issues as not being able to clear limp mode after fixing my emission issue and don’t want to pay the dealership to clear it…. Just wondering if you personally were able to get the two items mentioned above to do it for you? Just want to verify before I spend the money on them. thanks for your response. I HATE the Limp mode countdown… Fixing the def heater was the easy part I guess, lol.
 
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