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Cat ET errors, SIS and DPF sensor question.

Innocent bystander · 2025-04-22 15:53

Please look at the 2 pics. Error code: 112D= Where do you find info on these errors? Seems should be in SIS but cant find. DPF #1 Pressure Diff sensor = Disabled or not installed = Can Fault/event codes cause this to be disabled? 329E ZCD00627

Replies3
  1. #1Acecadet2025-05-01 20:08

    You are over 116% soot load. You need to force a regen. Probably several of them to clean up that dpf.

  2. #2ahart2025-05-01 20:57

    The reason it shows disabled or not installed is because this machine uses a soot sensor with two soot antennas to figure the accumulated soot load vs the differential pressure sensor. As for the 112D, it shows the aftertreatment air flow is too low. Wondering if you don’t have face plugging on the DOC from a NRS cooler failure at some point?

  3. #3Island_catguy2025-05-03 01:42

    Just pull it, clean it, put back on and regen. Or delete and drill it.