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Duramax Fifth Generation: 2011-2016 (LML) Discuss the fifth generation (2011-2016) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.

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Old 03-08-2019, 01:02 PM   #21 (permalink)
mastercraftka
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Quote:
Originally Posted by Rvn4me View Post
Basically all the same.
P0128
https://www.dieselplace.com/forum/63...074-p0128.html
Most likely your truck doesn’t meet the calibrated target temperatures. Do you have the capability to freeze frame when code is set?
What do you mean freeze frame when code is set?

Btw heater has been working fine as well.

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2016 Cypress 42ft

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Old 03-09-2019, 07:48 AM   #22 (permalink)
Rvn4me
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Quote:
Originally Posted by mastercraftka View Post
What do you mean freeze frame when code is set?.
With a TechII
Use the Freeze Frame/Failure Records data in order to locate an intermittent condition. If you cannot duplicate the DTC, the information included in the Freeze Frame/Failure Records data may help in determining the number of miles since the DTC set. The Fail Counter and Pass Counter can also help in determining the number of ignition cycles that the diagnostic test reported a pass and/or fail. Operate the vehicle within the same freeze frame conditions, including those for RPM, for engine load, for vehicle speed, for temperature, and for others. This will isolate at what point the DTC failed.

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Old 03-17-2019, 08:26 PM   #23 (permalink)
Ezell
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I had to replace both of my thermostats on my 08. Don't know why there was a code, but it made my check engine light come on. My truck was at 210 degrees and it stayed at 210 after I replaced them, but my check engine light went out.
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Last edited by OkDually; 03-17-2019 at 09:24 PM. Reason: sig
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