Service bulletin PIT5363A

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	10095356
Published by NHTSA	2017-03-16
Manufacturer's number	PIT5363A
Manufacturer's date	2015-01-22
NHTSA component	FUEL SYSTEM, OTHER: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.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Fuel system, Fuel pump

Vehicles listed
CHEVROLET COLORADO	2015
GMC CANYON	2015

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
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.
07-06-04-025J	2018-06-11. 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
07-06-04-025J	2018-05-29. 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
PIT5363D	2018-05-21. Service bulletin. 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.
07-06-04-025K	2017-08-15. 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.
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.
PIT5493	2017-03-23. 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.
PIT5363	2017-03-16. Service bulletin. 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.