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Service bulletins for the 2018 Chevrolet Impala

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.

882 on file from NHTSA, as of 2026-10-19.

About P228C on the 2018 Chevrolet Impala: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P228C are shown. Show all

Bulletins, newest first
18NA0722020-04-27. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; FUEL SYSTEM, GASOLINE. This technical bulletin provides a procedure to inspect the fuel system and replace the high pressure fuel pump if faulty for a Reduced Engine Power, MIL On, DTC P228C condition.
18NA0722018-05-21. Service bulletin. FUEL SYSTEM, GASOLINE. This technical bulletin provides a procedure to inspect the fuel system and replace the high pressure fuel pump if faulty for a Reduced Engine Power, MIL On, DTC P228C condition.
PIP5385D2018-02-21. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE. This Preliminary Information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of Diagnostic Trouble Code P228C setting. The technician is to inspect the fuel and readings for the High Pressure Fuel Pump. The technician is to drain and clean fuel tank and all lines if contamination is found. The technician is to replace the high pressure fuel pump and the fuel inlet line to the high pressure fuel pump. The dealer is to request the customer complete the fuel survey attached and send to the fuel system engineer at the e-mail address provided. Latest revision added model years to the PI with no other changes. New revision adds model year and removes the customer surveys.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.