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Service bulletin N192212090

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 id10159552
Published by NHTSA2019-05-13
Manufacturer's numberN192212090
Manufacturer's date2019-03-08
NHTSA componentSTRUCTURE

NHTSA's summary

N192212090 - Service Update. Certain vehicles may have rear bumper flanges that were manually bent after chrome plating. This bending could cause micro-cracking of the chrome plating and ultimately result in red rust forming on the base steel bumper. Dealers are to inspect for rust with step pad in place and apply wax if no rust is present. If rust is present with step pad in place, replace the chrome bumper.

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

Body and frame

Vehicles listed
CHEVROLET SILVERADO 15002019 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002019 (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.

Other bulletins for the same vehicles and component
25-NA-1142025-09-06. Service bulletin. This informational bulletin provides information on Anti-Chip Coating Appearance.
19-NA-2552025-04-10. Service bulletin. 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-0462025-03-13. Service bulletin. This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.
05-08-51-001L2025-03-08. Service bulletin. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
22-NA-0682025-02-28. Service bulletin. 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-2442025-02-12. Service bulletin. This warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
10-08-110-001L2025-02-11. Service bulletin. This service bulletin provides information on proper use of floor mats.
20-NA-1752025-02-08. Service bulletin. 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-2572025-02-08. Service bulletin. This technical bulletin provides repair information to correct a customer concern of the pickup box being out of alignment.
17-NA-3502025-02-01. Service bulletin. This informational bulletin provides explanation of a normal condition of a loose fitting trailer hitch receiver in the gooseneck hitch ball.