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5802855463 Denox 2.2+ module

Solution Date: 12/1/2022      Serial Number Break: 223360001

Problem:  Engine can derate and go into limp mode or show  Fault Codes 19077, 193337

Root Cause: The flutter membrane in the older version modules would harden and not operate properly in below freezing temperatures.

Solution: The 2.2+ modules were upgraded with a new flutter membrane design and material composition that will prevent flow restrictions.


Flutter membrane – New version


Flutter membrane- Old version

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