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Service bulletin PIT5363D

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 id10137165
Published by NHTSA2018-05-21
Manufacturer's numberPIT5363D
Manufacturer's date2018-03-01
NHTSA componentENGINE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running.Technician may find the engine or High Pressure Fuel Pump tick noise that is very loud in the cab of the truck.Comparison with another truck having the same powertrain could show the other truck is quieter.Technician will install an acoustic seal that may be missing or dislodged.Update extends to all engines and all model years.

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

Engine, Fuel system, Fuel pump

Vehicles listed
CHEVROLET COLORADO2015, 2016, 2017, 2018
GMC CANYON2015, 2016, 2017, 2018

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

Recalls for the same vehicles and component
18V3580002018-05-31. 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
20NA1102022-06-21. Service bulletin. This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.
20NA1102020-11-30. Service bulletin. 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.
PIP55962018-11-13. 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.
07-06-04-025J2018-06-11. Service bulletin. 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
07-06-04-025J2018-05-29. Service bulletin. 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
07-06-04-025K2017-08-15. Service bulletin. 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.
PIP5507B2017-08-15. 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.
PIP5507A2017-08-15. 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-2252017-08-15. Service bulletin. This technical bulletin provides a procedure to replace the fuel pump module assembly if the DTC P2635 and/or P018B are set.
PIT54932017-03-23. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A FUEL GAUGE THAT DOES NOT READ BELOW HALF A TANK. TECHNICIAN WILL GAIN ACCESS TO THE FUEL PUMP AND INSPECT TO SEE IF THE LEVEL SENDER CONTACTING THE SIDE OF THE FUEL TANK. THE FUEL TANK FUEL PUMP MODULE FUEL LEVEL SENSOR WILL NEED TO BE REPLACED FOR THIS CONCERN.