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Service bulletin PIP-5395

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 id10078755
Published by NHTSA2016-08-17
Manufacturer's numberPIP-5395
Manufacturer's date2016-04-28
NHTSA componentSTRUCTURE:BODY; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

NHTSA's summary

THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A RATTLE OR TICKING NOISE THAT IS LOUDER INSIDE THE VEHICLE THAN OUTSIDE. INSTRUCTIONS ARE PROVIDED TO INSPECT THE FUEL FEED LINE BETWEEN THE HIGH PRESSURE FUEL PUMP AND CHASSIS FUEL LINE.

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

Body and frame, Fuel system, Fuel pump

Vehicles listed
CADILLAC CTS-V2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE2015, 2016
CHEVROLET CAMARO2016
CHEVROLET CORVETTE2014, 2015, 2016
CHEVROLET SILVERADO 15002014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2015, 2016
CHEVROLET TAHOE2015, 2016
GMC SIERRA 15002014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2015, 2016
GMC YUKON XL2015, 2016

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

Other bulletins for the same vehicles and component
15NA0672024-02-12. Service bulletin. Information on Ordering New Delphi Style Fuel Pump
15NA0672023-12-11. Service bulletin. Information on Ordering New Delphi Style Fuel Pump
18NA2352022-05-31. Service bulletin. This information bulletin advised the tech of possible use of low fuel quality and the possible ramifications in performance in regards to the customers concerns.
PIE05232019-07-01. Service bulletin. This engineering informational bulletin is requesting information for vehicles that has had the fuel injection pump replaced and is still within warranty.
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.
15-NA-0672018-05-21. Service bulletin. This informational bulletin provides information for dealership personnel and technicians that when replacing the fuel pump, the vehicle should be serviced with the same style high pressure fuel pipe and SIDI fuel pump it was equipped with.
17NA3352018-04-23. Service bulletin. This technical bulletin provides a procedure to replace the fuel pump to correct the MIL concerns.
PIP5411F2017-11-14. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Technician may find Diagnostic Trouble Codes P2635 and or P018B set. The dealer is advised to replace the in tank fuel pump module assembly to correct the condition.
PIP4949E2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to follow all Service Information diagnose for the Diagnostic Trouble Code. If the current Service Information diagnostic has led to Fuel Injection Pump replacement, Fuel Pressure Regulator 1 must be inspected for magnetic metal debris. If there is a questionable amount of magnetic debris found on Pressure Regulator 1 remove the Fuel Rail Pressure Sensor and/or Fuel Pressure Regulator 2 to inspect for magnetic metal debris. If technician will need to replace all of the parts listed under the latest version of PIP4949 found in the Service Forms section of Global Connect if debris is found. Clean and flush all fuel chassis lines, filter pipes, and other engine mounted fuel system pipes not replaced. Also the fuel filter housing must be cleaned with a new fuel filter installed. Then the fuel tank and fuel sender must be cleaned and flushed.
PIP5133C2017-08-15. Service bulletin. This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Fuel Injection Pump Part numbers 12645102, 12658095 and 12661059 will be placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.