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Service bulletin PI1409A

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 id10201128
Published by NHTSA2021-09-07
Manufacturer's numberPI1409A
Manufacturer's date2015-12-01
NHTSA componentENGINE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE

NHTSA's summary

Malfunction Indicator Lamp (MIL) Illuminated with DTCs P2096 and/or P0621 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, Engine control module

Trouble codes named

P0621, P2096

Vehicles listed
CHEVROLET IMPALA2015
CHEVROLET MALIBU2014

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
PIP5628F2023-05-15. Service bulletin. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D