Service bulletin 16-NA-154

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)
Type	Service bulletin
NHTSA id	10134543
Published by NHTSA	2018-04-23
Manufacturer's number	16-NA-154
Manufacturer's date	2016-05-11
NHTSA component	FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

NHTSA's summary

This technical bulletin provides diagnostic information for malfunction indicator lamp (MIL) illuminated, DTC U18A2 and/or P018B.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system, Fuel pump

Trouble codes named

P018B, U18A2

Vehicles listed
CHEVROLET MALIBU	2016

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

Recalls for the same vehicles and component
18V358000	2018-05-31. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

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
PIP5610	2018-12-17. Service bulletin. This Preliminary information communicates the possibility of the high pressure fuel pump roller follower pin walking out and making contact with cylinder head causing the ignition timing to be serverly retarded on acceleration causing lack of power, sluggishness or hesitation on acceleration.
PIP5596	2018-11-13. Service bulletin. 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.
PIP5507B	2017-08-15. Service bulletin. This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatures over 100F (37.7 C) degrees Mainly in TX, AZ, UT, NV, CA, NM (could be any state) causingVapor buildup in fuel feed line.Customers can be advised to utilize fuels with octane levels greater than 91, Refrain from extended idleing periods if possible, park vehicles in covered garage.Replacing the fuel pump will not repare this concern.
PIP5507A	2017-08-15. Service bulletin. This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatures over 100F (37.7 C) degrees Mainly in TX, AZ, UT, NV, CA, NM (could be any state) causingVapor buildup in fuel feed line.Customers can be advised to utilize fuels with octane levels greater than 91, Refrain from extended idleing periods if possible, park vehicles in covered garage.Replacing the fuel pump will not repare this concern.
16-NA-225	2017-08-15. Service bulletin. This technical bulletin provides a procedure to replace the fuel pump module assembly if the DTC P2635 and/or P018B are set.
16-NA-225	2017-07-18. Service bulletin. This technical bulletin provides a procedure to replace the fuel pump module for low fuel pressure and to correct the customers concern of the MIL on.
16NA225	2016-10-14. Service bulletin. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE FUEL PUMP MODULE FOR LOW FUEL PRESSURE AND TO CORRECT THE CUSTOMERS CONCERN OF THE MIL ON.