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Duramax 6600 Welcome to the Internet's first Duramax 6600 diesel discussion forum for the LB7, LLY, LBZ, LMM, LML, LGH & L5P RPO code engines. Tips on performance, fuel economy, troubleshooting and more.

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  #11  
Old 03-17-2019, 10:50 AM
chessy56 chessy56 is offline
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Location: South Milwaukee, WI
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The P140B got to the point of being repeatable. After complaining to my dealership, my technician did a little investigating and found that GM admitted that there was a problem- but at the time, a fix was not available. I checked back after a couple of months and was informed that a fix had been found and that an update flash would be required to resolve the issue. I don't believe there was any "recall" on this issue- I asked for the newest flash. My argument was that the fault involved the emission system, it was a known defect to GM (a design flaw in their calibrations) and therefore, it should've been GM's responsibility to correct it. Not to mention that when this code surfaced, the CE lamp would light and my remote start capability was defeated. Since the new flash, I have not seen the P140B return as of this writing and I've been in heavy snow and rain (at highway speeds) where it often surfaced. It wasn't that my EGR valve was "slow to respond"- it was more like my air filter was partially clogged by moisture which inhibited air flow. Rain/Snow or otherwise, once the moisture dried out, no further P140B codes were generated.

If there's a possibility that my truck's warranty should've covered this flash, is there someone other than the turds at Chevy Customer Disservice that I can plead my case to? There used to be district managers that we could take our issues to- do they still exist? Are GM representatives still monitoring these pages like they used to?

Thanks again for allowing me to vent!
Gary
__________________
"Chessy56"
So. Milwaukee, WI
'01 2500HD, LB7, 440K miles
"Stock" engine. Dual fuel filtration system with Kennedy lift pump, BF Goodrich Commercial T/A Traction tires (sold to a dude from Texas- it's living a warmer life just fine down there now!).

'17 2500HD, L5P (Happy Birthday/Merry Christmas to me!!!) Currently bone stock, 84K miles.

"Socialism is a philosophy of failure, the creed of ignorance and
the gospel of envy. Its inherent virtue is the equal sharing of misery."
Winston Churchill
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  #12  
Old 03-17-2019, 03:02 PM
cabletech cabletech is offline
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Here is the recall. I have the pdf file but it's too big to upload.I would be glad to send it to you if you want it.

Jay

Product Emission Recall
17337 Diesel Particulate Matter Sensor Diagnostic Fault
Copyright 2018 General Motors. All Rights Reserved. Page 1 of 4
Reference Number:
N172118140
Release Date:
January 2018
Revision:
02
Revision Description:
This recall is being revised to update the Attention box because all phases have been released, and to update the Service Procedure section to clarify the OAT sensor learn. Please discard all previous copies of bulletin 17337-01.
Attention:
This Product Emission Recall was released in phases:
• Phase 1 includes certain 2017-2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles.
• Phase 2 includes certain 2016-2018 model year Chevrolet Colorado and GMC Canyon, 2017 model year Chevrolet Cruze, and 2017 model year Chevrolet Express and GMC Savana vehicles.
• Phase 3 includes certain 2018 model year Chevrolet Cruze and Equinox, and GMC Terrain vehicles.
Make
Model
Model Year
RPO
Description
From
To
Chevrolet
Colorado
2016
2018
LWN
Engine-Diesel, 2.8L
Cruze
2017
2018
LH7
Engine-Diesel, 1.6L
Express
2017
2017
LWN
Engine-Diesel, 2.8L
Equinox
2018
2018
LH7
Engine-Diesel, 1.6L
Silverado HD
2017
2018
L5P
Engine-Diesel, 6.6L
GMC
Canyon
2016
2018
LWN
Engine-Diesel, 2.8L
Savana
2017
2017
LWN
Engine-Diesel, 2.8L
Sierra HD
2017
2018
L5P
Engine-Diesel, 6.6L
Terrain
2018
2018
LH7
Engine-Diesel, 1.6L
Involved vehicles are marked “open” on the Investigate Vehicle History screen in GM Global Warranty Management system. This site should always be checked to confirm vehicle involvement prior to beginning any required inspections and/or repairs.
Condition
General Motors has decided to conduct a Voluntary Emission Recall involving certain 2016 model year Chevrolet Colorado, GMC Canyon; 2017 model year Chevrolet Express, GMC Savana; 2017-2018 model year Chevrolet Colorado, Cruze, Silverado HD, GMC Canyon, Sierra HD and 2018 model year Chevrolet Equinox, GMC Terrain vehicles, equipped with a diesel engine. The engine control module in these vehicles may not properly diagnose a fault in the exhaust particulate matter sensor.
Additionally, a subset of these vehicles, certain 2017 model year Chevrolet Silverado HD and GM Sierra HD vehicles, may in rare instances exhibit a condition in which the engine surges up to 2,800 RPM during vehicle coast or vehicle braking.
Correction
Program the engine control module, and transmission control module when applicable.
Parts
No parts are required for this repair.
Warranty Information
Labor Operation
Description
Labor Time
Trans. Type
Net Item
9102933 *
Engine Control Module Reprogramming with SPS (Phase 2-3)
0.3
ZFAT
N/A
Add: To Relearn OAT Sensor (Colorado/Canyon Only) (Phase 2)
0.2
9102934 *
Engine Control Module and Transmission Control Module Reprogramming with SPS (2017-2018 Chevrolet Silverado HD and 2017-2018 GMC Sierra HD only) (Phase 1)
0.7
ZFAT
N/A
9103390 **
Module Programming Not Required (Phase 1-3)
0.2
ZFAT
N/A
* To avoid warranty transaction rejections, the SPS Warranty Claim Code must be entered when submitting this transaction.
** SPS
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2010 Chev 2500HD CC D/A (sold)
2013 Chev 2500HD CC D/A (sold)
2006 Chev 3500 CC D/A (sold)
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  #13  
Old 03-17-2019, 03:26 PM
DmaxMaverick's Avatar
DmaxMaverick DmaxMaverick is offline
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Location: CA
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Quote:
Originally Posted by chessy56 View Post
The P140B got to the point of being repeatable. After complaining to my dealership, my technician did a little investigating and found that GM admitted that there was a problem- but at the time, a fix was not available. I checked back after a couple of months and was informed that a fix had been found and that an update flash would be required to resolve the issue. I don't believe there was any "recall" on this issue- I asked for the newest flash. My argument was that the fault involved the emission system, it was a known defect to GM (a design flaw in their calibrations) and therefore, it should've been GM's responsibility to correct it. Not to mention that when this code surfaced, the CE lamp would light and my remote start capability was defeated. Since the new flash, I have not seen the P140B return as of this writing and I've been in heavy snow and rain (at highway speeds) where it often surfaced. It wasn't that my EGR valve was "slow to respond"- it was more like my air filter was partially clogged by moisture which inhibited air flow. Rain/Snow or otherwise, once the moisture dried out, no further P140B codes were generated.

If there's a possibility that my truck's warranty should've covered this flash, is there someone other than the turds at Chevy Customer Disservice that I can plead my case to? There used to be district managers that we could take our issues to- do they still exist? Are GM representatives still monitoring these pages like they used to?

Thanks again for allowing me to vent!
Gary
If your dealer won't help, contact GM Customer Care. Request a reimbursement for service you paid for that is now covered under a recall, and reference the TSB # posted by Cabletech. It should be only that simple, but keep calling if necessary.
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2001 GMC 2500HD D/A
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  #14  
Old 03-17-2019, 06:20 PM
chessy56 chessy56 is offline
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Location: South Milwaukee, WI
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I'll try GM Customer Care, but it will take a few days as I'm heading out for some outdoor's time. Will reply after my return. Thanks!
__________________
"Chessy56"
So. Milwaukee, WI
'01 2500HD, LB7, 440K miles
"Stock" engine. Dual fuel filtration system with Kennedy lift pump, BF Goodrich Commercial T/A Traction tires (sold to a dude from Texas- it's living a warmer life just fine down there now!).

'17 2500HD, L5P (Happy Birthday/Merry Christmas to me!!!) Currently bone stock, 84K miles.

"Socialism is a philosophy of failure, the creed of ignorance and
the gospel of envy. Its inherent virtue is the equal sharing of misery."
Winston Churchill
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  #15  
Old 04-15-2019, 01:35 PM
chessy56 chessy56 is offline
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Well, I called GM customer care and was told that my 2017 2500HD is only covered up to 50K miles on the emission system. The "drive train", presumably the engine and transmission, are good up to 100K or 5 years.

After looking at the TSB that Cabletech had listed out (thanks Cabletech!), the bulletin addressed a Diesel Particulate Matter sensor- apparently not associated with the P140B code I was receiving. I do recall however, that my PCM was flashed better than a year earlier for a matter related to a DPF sensor and I was not charged for that re-flash (my service manager tossed that one in given the amount of $$$ I spent at this dealership over the previous years).

As to the P140B condition, GM won't budge. They state that all TSBs are "vehicle specific" and unless a specific component used in my particular truck is a known problem, they won't warranty the repair. They're holding firm to the 50K mile warranty limitation on the emission system. Which really SUCKS given that I'm now seeing multiple codes/indicators that are related to the emissions again. My take away: GM doesn't stand behind their product like they used to. But they'll gladly take your money for another new vehicle!

If anyone has additional thoughts, I'll welcome them. Seems like I'm getting no where with GM
__________________
"Chessy56"
So. Milwaukee, WI
'01 2500HD, LB7, 440K miles
"Stock" engine. Dual fuel filtration system with Kennedy lift pump, BF Goodrich Commercial T/A Traction tires (sold to a dude from Texas- it's living a warmer life just fine down there now!).

'17 2500HD, L5P (Happy Birthday/Merry Christmas to me!!!) Currently bone stock, 84K miles.

"Socialism is a philosophy of failure, the creed of ignorance and
the gospel of envy. Its inherent virtue is the equal sharing of misery."
Winston Churchill
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  #16  
Old 04-18-2019, 12:26 PM
rapidoxidationman rapidoxidationman is offline
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Join Date: Dec 2002
Location: Teton Valley, Idaho
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One thought would be to see if you qualify for a return. Looks like you have a 3 year window to do so, if the truck gave you enough trouble in the first year.
https://wisconsindot.gov/Documents/d...onlawafter.pdf
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'05 Chevy K2500 ext cab long box DMax: Everything my '03 was and so much more!

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  #17  
Old 04-18-2019, 04:03 PM
chessy56 chessy56 is offline
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Join Date: Jan 2006
Location: South Milwaukee, WI
Posts: 225
Default

Thanks for the tip regarding the lemon law. After looking this over, I'd have to admit that I wouldn't qualify-
Within the 1st year, there wasn't "a" particular problem condition that required the service dept to attempt a fix 4 or more times to resolve. Nor was the truck out of service for 30 or more days during that 1st year.

I've been in the shop several times in the last 2 years for about 6 different error conditions, but none meet the 2 criteria above. What particularly sucks is that sensors are very expensive, GM reduced their warranty coverage on these trucks and even after 2+ years, GM's ability to stock some replacement parts for these trucks is questionable.

My latest problem that involves the EGR system speaks to the issue of a lack of replacement connectors, given that several folks nation wide are experiencing the same problem. People are looking for them- not a one to be found anywhere. I doubt GM will take notice.

Thanks for the consideration just the same .
__________________
"Chessy56"
So. Milwaukee, WI
'01 2500HD, LB7, 440K miles
"Stock" engine. Dual fuel filtration system with Kennedy lift pump, BF Goodrich Commercial T/A Traction tires (sold to a dude from Texas- it's living a warmer life just fine down there now!).

'17 2500HD, L5P (Happy Birthday/Merry Christmas to me!!!) Currently bone stock, 84K miles.

"Socialism is a philosophy of failure, the creed of ignorance and
the gospel of envy. Its inherent virtue is the equal sharing of misery."
Winston Churchill
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