P22Fe Code 2018 Duramax (2024)

1. P22FE check engine code - GMC AT4 Forum

Jul 23, 2023 · Has anyone gotten a solution to this check engine code for emission systems? My new 2023 AT4 1500 diesel with 600 miles got this code over this
Has anyone gotten a solution to this check engine code for emission systems? My new 2023 AT4 1500 diesel with 600 miles got this code over this weekend. I noticed my fob start and my gmc app start would not work then I saw the check engine light on once inside the vehicle to start. Other...

The DCU sets diagnosis code No. P22FE when the oxygen density detected by the No. 2 exhaust muffler NOx sensor during acceleration is outside the specified ...
STEP 2. Check No. 2 exhaust muffler NOx sensor functionality
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Jan 25, 2017 · The code is P22FE. i have it at the dealer and they are telling me there are no NOX sensors available. Does anyone have the part number for the ...
I have a 2015 3500 hd dually with the lml that has the check engine light illuminated. The code is P22FE. i have it at the dealer and they are telling me there are no NOX sensors available. Does anyone have the part number for the nox sensor?With all the diesel trucks on the road how do they not ...

Aug 15, 2017 · If the ECM and TCM are not at the latest calibration, using TIS2Web, select (K20/K71) Engine and Transmission Control Module. Both modules must ...
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We towed our boat 700 miles round trip this weekend. The SEL came on around 200miles on the way there, then went off the next day after driving around. It did the same thing on the way home. No change in performance. Sent from my iPhone using Tapatalk

Apr 2, 2023 · • P22FE: Nitrogen Oxides Sensor 2 Performance - Sensing Element ... If the test fails, refer SI for the code that was set in the ECM. Page 2. Page ...

Nov 2, 2021 · P22A7 P22A8 P22A9 P22AB P22AC P22AD P22B2 P22B6 P22B7 P22FE P233A ... GM bulletins are intended for use by professional technicians, NOT a "do-it ...

Your SCR system helps your vehicle avoid harmful emissions. What happens if that system isn't working as intended?
Your SCR system helps your vehicle avoid harmful emissions. What happens if that system isn’t working as intended?

Dec 31, 2022 · ... P22FE code. Pretty annoying since I just went through a lot of issues with the new tundra which is why I picked this up. Guess it's back to ...
Well after two weeks of playing tag with the dealer and GM with the CEL cycling on and off… they finally ended up replacing the sensor. A day after getting the truck back I got another CEL with the same P22FE code. Pretty annoying since I just went through a lot of issues with the new tundra...