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Service bulletin PIC-5921

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 id10053911
Published by NHTSA2013-12-04
Manufacturer's numberPIC-5921
Manufacturer's date2013-10-01
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

GM: THE HYBRID BATTERY CANNOT BE CHARGED. THE CHECK ENGINE LAMP IS ILLUMINATED. CODE P16C1 OR P16C2 MAY BE SET. THE OBCM MUST BE UPDATED. ALSO INCLUDED MAKE/MODEL CHEVROLET/VOLT, CADILLAC/ELR, AND OPEL/AMPERA. MODEL YEAR 2014.*JS

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, Software

Trouble codes named

P16C1, P16C2

Vehicles listed
CHEVROLET SPARK2014
CHEVROLET VOLT2011, 2012, 2013

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

Recalls for the same vehicles and component
16V4220002016-06-10. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
16V2570002016-04-28. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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