# Service bulletin 18NA383

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: 10173388
- Published by NHTSA: 2020\-04\-06
- Manufacturer's number: 18NA383
- Manufacturer's date: 2020\-02\-17
- NHTSA component: STRUCTURE

## NHTSA's summary

This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173388-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10173388-9999.pdf)

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

## Components

Body and frame

## Vehicles listed

- 2019 to 2020 CHEVROLET SILVERADO 1500
- 2019 to 2020 CHEVROLET SILVERADO 2500
- 2019 to 2020 CHEVROLET SILVERADO 3500
- 2019 to 2020 GMC SIERRA 1500
- 2019 to 2020 GMC SIERRA 2500
- 2019 to 2020 GMC SIERRA 3500

## Recalls for the same vehicles and component

- [2024061](/recalls/tc/2024061.md), 2024-02-01: Structure
- [20V324000](/recalls/nhtsa/20V324000.md), 2020-06-04: LATCHES/LOCKS/LINKAGES:HOOD:LATCH; STRUCTURE:BODY:HOOD
- [2020097](/recalls/tc/2020097.md), 2020-03-12: Structure

## Other bulletins for the same vehicles and component

- [25\-NA\-114](/bulletins/11022868.md), 2025-09-06, Service bulletin: STRUCTURE:BODY. This informational bulletin provides information on Anti\-Chip Coating Appearance.
- [19\-NA\-255](/bulletins/11016944.md), 2025-04-10, Service bulletin: STRUCTURE:BODY. This service bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting \(U.S. and Canada Only\).
- [24\-NA\-046](/bulletins/11015605.md), 2025-03-13, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
- [05\-08\-51\-001L](/bulletins/11015382.md), 2025-03-08, Service bulletin: STRUCTURE:BODY. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
- [PIE0818](/bulletins/11015146.md), 2025-03-06, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. This engineering information \(EI\) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the outside rearview mirror skull cap missing.
- [22\-NA\-068](/bulletins/11014579.md), 2025-02-28, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY; BACK OVER PREVENTION: WARNINGS. This technical bulletin provides repair information to correct a customer concern of Diagnostic Tips For Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs.
- [22\-NA\-244](/bulletins/11014238.md), 2025-02-12, Service bulletin: UNKNOWN OR OTHER; STRUCTURE:BODY. This warranty administration service bulletin provides information about GM Accessories \- Dealer\-Installed, Repaired or Replaced During Warranty Coverage Period.
- [10\-08\-110\-001L](/bulletins/11014171.md), 2025-02-11, Service bulletin: STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats.
- [20\-NA\-175](/bulletins/11014021.md), 2025-02-08, Service bulletin: STRUCTURE:BODY. This technical bulletin provides repair information to correct a customer concern of vertical misalignment between cab and pickup box on driver side of vehicle.
- [19\-NA\-257](/bulletins/11014019.md), 2025-02-08, Service bulletin: STRUCTURE:BODY. This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.

JSON: [/v1/bulletins/10173388](/v1/bulletins/10173388)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2018NA383&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10173388&vehicle=Service%20bulletin%2018NA383)