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Service bulletin PIP5527L

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 id10193440
Published by NHTSA2021-05-17
Manufacturer's numberPIP5527L
Manufacturer's date2021-04-08
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

This Preliminary information communicates diagnostic assistance and repairs for specific driveability concerns that can be caused by the intake rocker arm oil control solenoid.

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, Equipment and accessories, Labels and manuals, Engine oil and lubrication

Vehicles listed
CHEVROLET IMPALA2014, 2015
CHEVROLET MALIBU2014, 2015

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
22NA0092022-05-31. Service bulletin. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
16NA2222022-05-31. Service bulletin. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
PIP5540G2021-04-19. Service bulletin. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
010601011L2021-03-01. Service bulletin. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.