# 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.

- 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10139241-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10139241-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

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

## Vehicles listed

- 2016 CHEVROLET 3500
- 2017 CHEVROLET SILVERADO 3500

## Recalls for the same vehicles and component

- [23V047000](/recalls/nhtsa/23V047000.md), 2023-02-02: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
- [19V088000](/recalls/nhtsa/19V088000.md), 2019-02-07: FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

## Other bulletins for the same vehicles and component

- [17\-NA\-302](/bulletins/10252106.md), 2024-03-28, Service bulletin: EQUIPMENT; FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY. 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](/bulletins/10214200.md), 2022-06-21, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP; EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides service information for a DEF pump that is unable to build pressure after replacement.
- [18NA235](/bulletins/10212609.md), 2022-05-31, Service bulletin: FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. 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](/bulletins/10183168.md), 2020-11-30, Service bulletin: FUEL SYSTEM, DIESEL; FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP. 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](/bulletins/10171899.md), 2020-03-02, Service bulletin: FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY. 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](/bulletins/10156913.md), 2019-04-08, Service bulletin: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; ENGINE. 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](/bulletins/10147348.md), 2018-11-13, Service bulletin: FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. 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](/bulletins/10143734.md), 2018-08-20, Service bulletin: FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY; FUEL SYSTEM, DIESEL. 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](/bulletins/10139250.md), 2018-06-04, Service bulletin: ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID. 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](/bulletins/10137723.md), 2018-05-21, Service bulletin: FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. 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.

JSON: [/v1/bulletins/10139241](/v1/bulletins/10139241)

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