# Service bulletin PIP4783B

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.

- Type: Service bulletin
- NHTSA id: 10173721
- Published by NHTSA: 2020\-04\-13
- Manufacturer's number: PIP4783B
- Manufacturer's date: 2020\-03\-25
- NHTSA component: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

## NHTSA's summary

This Prelimary information informs the dealer of a diagnotic trouble code that may set due to a failed high pressure fuel pump. Dealers are to check fuel pressure as per current testing outlined in GM service information and replace the fuel pump if needed.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173721-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173721-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Fuel system, Fuel pump

## Vehicles listed

- 2010 to 2012 BUICK LACROSSE
- 2011 BUICK REGAL
- 2012 to 2017 BUICK VERANO
- 2012 to 2016 CHEVROLET CAPTIVA
- 2010 to 2017 CHEVROLET EQUINOX
- 2010 to 2017 GMC TERRAIN

## Other bulletins for the same vehicles and component

- [20NA110](/bulletins/10214200.md), 2022-06-21, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP; EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.
- [20NA110](/bulletins/10183168.md), 2020-11-30, Service bulletin: FUEL SYSTEM, DIESEL; FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP. This informational bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.
- [19NA065](/bulletins/10160129.md), 2019-05-20, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE. This technical bulletin provides a procedure to replace the Aux fuel pump if found the cause of the customers concern.
- [PIP5596](/bulletins/10147348.md), 2018-11-13, Service bulletin: FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
- [07\-06\-04\-025J](/bulletins/10140357.md), 2018-06-11, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; ENGINE; FUEL SYSTEM, GASOLINE. This informational bulletin was created to inform the technician of cold start ticking noises in the engine compartment may be caused by the fuel pump and/or the fuel injectors and no
- [07\-06\-04\-025J](/bulletins/10138572.md), 2018-05-29, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. This informational bulletin was created to inform the technician of cold start ticking noises in the engine compartment may be caused by the fuel pump and/or the fuel injectors and no
- [07\-06\-04\-025I](/bulletins/10137780.md), 2018-05-21, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; ENGINE. This informational bulletin was provides information for the technician of cold start ticking noises in the engine compartment and may be caused by the fuel pump and/or the fuel injectors and no repairs are needed for a normal condition.
- [16NA004](/bulletins/10137277.md), 2018-05-21, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. This technical bulletin provides a possible location and repair to a wiring harness that may be contacting the fuel pump cover.
- [PI0865C](/bulletins/10134734.md), 2018-04-23, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. This preliminary informational bulletin provides a revision for PI0865B to update the Parts Information table to include Usage and update the Warranty Information.
- [PIP5385D](/bulletins/10129104.md), 2018-02-21, 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.

JSON: [/v1/bulletins/10173721](/v1/bulletins/10173721)

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