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Service bulletin PIC-4927

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 id10026105
Published by NHTSA2008-09-30
Manufacturer's numberPIC-4927
Manufacturer's date2008-10-01
ReplacesPIC-4927A
NHTSA componentFUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

NHTSA's summary

CHEVROLET: P0463 OR NO READING FROM FUEL SENDER CARD. THE FUEL GAGE READS EMPTY DTC P0463 MAY BE CURRENT OR HISTORY. *PE UPDATED 5/27/09. *PE

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

Fuel system

Trouble codes named

P0463

Vehicles listed
CHEVROLET IMPALA2008

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
05-06-04-022V2024-09-05. Service bulletin. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
16-NA-3832024-07-16. Service bulletin. This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.
04-06-04-051I2024-07-16. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
19-NA-0442024-02-21. Service bulletin. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
04-06-04-051H2023-08-28. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
05-06-04-022T2022-10-11. Service bulletin. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
05-00-89-072F2022-10-11. Service bulletin. This service bulletin provides the technician with additional information on fuels, fuel additives and fuel management.
04-06-04-051G2022-10-08. Service bulletin. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
19-NA-0442022-08-29. Service bulletin. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
PIP58562022-06-13. Service bulletin. This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable diesel fuel.