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Service bulletin PIP5841C

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10234219
Published by NHTSA2023-04-17
Manufacturer's numberPIP5841C
Manufacturer's date2023-03-15
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

NHTSA's summary

This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions, Crankcase ventilation (PCV)

Trouble codes named

P04FB

Vehicles listed
BUICK ENVISION2021, 2022, 2023
CADILLAC CT42020, 2021, 2022, 2023
CADILLAC CT52020, 2021, 2022, 2023
CADILLAC CT62019
CADILLAC XT42019, 2020, 2021, 2022, 2023
CADILLAC XT52020, 2021, 2022, 2023
CADILLAC XT62020, 2021, 2022, 2023
CHEVROLET BLAZER2020, 2021, 2022, 2023
GMC ACADIA2020, 2021, 2022, 2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIP5841B2023-02-13. Service bulletin. This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.