P228C on the 2015 Chevrolet Impala
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 18NA072 | 2020-04-27. Service bulletin. 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. |
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| 18NA072 | 2018-05-21. Service bulletin. 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. |
| PIP5385D | 2018-02-21. Service bulletin. 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. |
| PIP5209C | 2017-08-15. Service bulletin. This Preliminary Information communication advises the technician to follow this Preliminary Information if there is a diagnostic trouble code P00C6 and or P228C set and normal Service Information diagnostics didn?t lead to a repair. Technician is to recheck the terminals at the Engine Control module for fit and tension as well as the crimp to the wire. The engine control module terminals to inspect are in the X2 connector. Inspect terminal number 3, 18 and 19 for the fuel rail pressure sensor and in the X3 connector terminals 16 and 32 for the high pressure fuel pump. The diagnostic trouble codes could set with as little as a 2 ohm resistance reading on these circuits. If any concerns are found replace the affected terminals and verify the repair. |
| PIP5385 | 2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician with the steps to diagnose and repair vehicles that may have Service Engine Soon lamp or reduced engine power message came on and was cleared after cycling the key. Also technician may find a P228C set as current or history, and a prior history of High Pressure Fuel Pump replacement, and the customer has been using E85 fuel. If the Diagnostic Trouble Code is current follow Service Information instruction for the repair. If the code is set in history and there are no current drivability concerns take a large fuel sample and let it sit for a couple of hours looking for contamination. Verify the fuel pressure using a scan tool the actual and desired fuel pressures are very close to the same. If contamination is found in the tank then completely flush the fuel system and add e-10 fuel. Also remove the high pressure fuel pump inlet line from both ends. Using regulated air down to about 60 pounds per square inch or lower, blow through the inlet side of this pipe / hose. Inspect for restriction in the check valve built into this hose. If restricted then replace the pipe run a tank of premium fuel through the vehicle and reevaluate the concern. |
| PIP5385C | 2017-08-15. Service bulletin. 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. |
6 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.