Diesel Place : Chevrolet and GMC Diesel Truck Forums

Diesel Place : Chevrolet and GMC Diesel Truck Forums (https://www.dieselplace.com/forum/)
-   Duramax Fifth Generation: 2011-2016 (LML) (https://www.dieselplace.com/forum/63-gm-diesel-engines/365-duramax-fifth-generation-2011-2016-lml/)
-   -   2016 LML p154a code (https://www.dieselplace.com/forum/63-gm-diesel-engines/365-duramax-fifth-generation-2011-2016-lml/980948-2016-lml-p154a-code.html)

Josetrejo 12-28-2019 01:03 PM

2016 LML p154a code
 
I know this is an air intake heater code, my truck has 56k miles. Is this problem normal for it having this many miles on it? I have not cleaned my engine in 2 years so i dont know if cleaning it will clear it. My truck is really dirty/muddy at the moment. Though idk ifcleaning it with water would help or damage it.

Josetrejo 12-28-2019 01:24 PM

Check engine light is on

OkDually 12-28-2019 01:41 PM

Here is one thread for the P154a code:
https://www.dieselplace.com/forum/63...154a-code.html


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