Service bulletin 17NA402

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	10139241
Published by NHTSA	2018-06-04
Manufacturer's number	17NA402
Manufacturer's date	2017-12-18
NHTSA component	ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

NHTSA's summary

This technical bulletin provides a procedure to replace relays that may be sticking in cold regions.

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

Electrical system, Fuel system, Fuel pump, Fuel tank, Starter

Vehicles listed
CHEVROLET 3500	2016
CHEVROLET SILVERADO 3500	2017 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
23V047000	2023-02-02. FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
19V088000	2019-02-07. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

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
17-NA-302	2024-03-28. Service bulletin. This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.
20NA110	2022-06-21. Service bulletin. This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.
18NA235	2022-05-31. 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.
20NA110	2020-11-30. 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.
19NA277	2020-03-02. Service bulletin. This technical bulletin provides a procedure to replace the fuel tank, sending unit and install a piece of fuel hose to the vent and route down the fuel feed line and secure with zip ties.
PIP5427B	2019-04-08. Service bulletin. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
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.
18157	2018-08-20. Service bulletin. 18157 - Customer Satisfaction Program. Certain Low Cab Forward vehicles, equipped with diesel engines, may have a condition in which the Fuel Tank Sub Unit float arm in the rear-mounted fuel tank may become disconnected causing the fuel gauge to display ?Empty? (E) regardless of the actual fuel level. Dealers are to replace the Fuel Tank Sender Unit.
18NA012	2018-06-04. Service bulletin. This technical bulletin provides a procedure to replace the trans control solenoid assembly if found the cause of the vehicle unable to crank the engine over.
PIP5427A	2018-05-21. Service bulletin. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.