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Service bulletin PIP4920N

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 id10057989
Published by NHTSA2015-07-22
Manufacturer's numberPIP4920N
Manufacturer's date2015-03-01
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY

NHTSA's summary

GENERAL MOTORS 2012-2015 BUICK LACROSSE, REGAL E ASSIST , 2013-2014 CHEVROLET MALIBU ECO ASSIST, 2014 CHEVROLET IMPALA ASSIST EQUIPPED WITH EASSIST. INFORMATION REGARDING RESTRICTION OF BAS+(HYBRID) EASSIST TAC PARTS. *LJ

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, 12-volt battery

Vehicles listed
BUICK LACROSSE2012, 2013, 2014, 2015
CHEVROLET IMPALA2013, 2014
CHEVROLET MALIBU ECO2013 (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
20-NA-1322024-04-05. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
PIT5074H2023-12-11. Service bulletin. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.
PIT5074G2023-12-11. Service bulletin. Terminal Test Probe And Replacement Terminal.
1408117001a2023-12-11. Service bulletin. Unable to Clear BCM DTCs After Completing Repair
12238D2023-12-04. Service bulletin. Loss of Battery Charge ? Inspect Generator Control Module
12238C2023-12-04. Service bulletin. Loss of Battery Charge ? Inspect Generator Control Module
12238B2023-12-04. Service bulletin. Loss of Battery Charge ? Inspect Generator Control Module
20NA1322021-12-20. Service bulletin. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
030603004Y2019-05-20. Service bulletin. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
030603004V2019-05-13. Service bulletin. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.