# Service bulletin N202304080

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: 10181645
- Published by NHTSA: 2020\-10\-26
- Manufacturer's number: N202304080
- Manufacturer's date: 2020\-09\-01
- NHTSA component: FUEL SYSTEM, GASOLINE

## NHTSA's summary

Customer Satisfaction Program. Certain vehicles may not have one of the fill pipe parts kit which should be included with the vehicle. Dealers are to provide the missing fill pipe parts kit to the customer.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181645-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10181645-9999.pdf)

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

## Components

Fuel system

## Vehicles listed

- 2020 CHEVROLET SILVERADO 4500
- 2020 GMC SIERRA DENALI

## Recalls for the same vehicles and component

- [19V837000](/recalls/nhtsa/19V837000.md), 2019-11-21: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

## Other bulletins for the same vehicles and component

- [25\-NA\-065](/bulletins/11017173.md), 2025-04-24, Service bulletin: STEERING; SERVICE BRAKES; FUEL/PROPULSION SYSTEM. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- [PIE0812](/bulletins/11014161.md), 2025-02-11, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the vehicle having loss of power and/or having the MIL illuminated on the Driver Information Center \(DIC\).
- [PIT6259](/bulletins/11011443.md), 2024-12-05, Service bulletin: FUEL/PROPULSION SYSTEM. This Preliminary information communicates information on faulty replacement K111 Fuel Pump Driver Control Module.
- [24\-NA\-225](/bulletins/11010874.md), 2024-12-02, Service bulletin: FUEL/PROPULSION SYSTEM. This bulletin provides information on how to look for and test for DEF or water in the fuel system and what the specs should be.
- [17\-NA\-302](/bulletins/11009462.md), 2024-10-29, Service bulletin: FUEL/PROPULSION SYSTEM. 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.
- [24\-NA\-197](/bulletins/11009430.md), 2024-10-29, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This technical bulletin provides a procedure to correct the condition of Malfunction Indicator Lamp Illuminated with DTCs P2463 P2459 P11FB P11D3.
- [24\-NA\-043](/bulletins/11007202.md), 2024-09-06, Service bulletin: FUEL/PROPULSION SYSTEM. This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.
- [05\-06\-04\-022V](/bulletins/11007095.md), 2024-09-05, Service bulletin: FUEL/PROPULSION SYSTEM. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
- [18\-NA\-103](/bulletins/11006604.md), 2024-08-24, Service bulletin: FUEL/PROPULSION SYSTEM; ENGINE. This service bulletin provides service information for customer concerns of an in\-tank fuel pump whining noise, engine hard to start and/or stalls and Malfunction Indicator Lamp \(MIL\) is illuminated that may be caused by gelling of fuel in cold temperatures.
- [20\-NA\-038](/bulletins/11006377.md), 2024-08-15, Service bulletin: FUEL/PROPULSION SYSTEM. This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.

JSON: [/v1/bulletins/10181645](/v1/bulletins/10181645)

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