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Service bulletin PIE0501

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 id10154658
Published by NHTSA2019-03-18
Manufacturer's numberPIE0501
Manufacturer's date2019-02-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

NHTSA's summary

This engineering informational bulletin is requesting information on incorrectly installed foul air PCV tube or tube may be damaged.

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)

Vehicles listed
CHEVROLET SILVERADO 15002019 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002019 (the catalog's model; the bulletin names a series or trim of it)

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
PIP5503B2020-02-10. Service bulletin. This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust the engine oil level as needed.
PIE0501A2019-05-20. Service bulletin. This engineering informational bulletin is requesting information on incorrectly installed foul air PCV tube or tube may be damaged.