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Service bulletin 18NA279

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 id10161880
Published by NHTSA2019-07-01
Manufacturer's number18NA279
Manufacturer's date2019-05-29
NHTSA componentSTRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES; STRUCTURE

NHTSA's summary

This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

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, Latches and locks

Vehicles listed
CADILLAC CT62019
CADILLAC ESCALADE2019
CADILLAC ESCALADE ESV2019
CADILLAC XT42019
CADILLAC XT62020
CHEVROLET BLAZER2019
CHEVROLET BOLT EV2019
CHEVROLET CAMARO2019
CHEVROLET CRUZE2019
CHEVROLET MALIBU2019
CHEVROLET SILVERADO 15002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SPARK2019
CHEVROLET SUBURBAN2019
CHEVROLET TAHOE2019
CHEVROLET TRAX2019
CHEVROLET VOLT2019
GMC ACADIA2019
GMC SIERRA 15002019 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2019
GMC YUKON XL2019

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

Recalls for the same vehicles and component
23V8450002023-12-14. SEAT BELTS:PRETENSIONER; STRUCTURE:BODY:ROOF AND PILLARS
22V9300002022-12-15. SEAT BELTS:PRETENSIONER; STRUCTURE:BODY:ROOF AND PILLARS
20201302020-03-26. Structure
20V1840002020-03-26. LATCHES/LOCKS/LINKAGES:DOORS:LATCH

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
25-NA-1142025-09-06. Service bulletin. This informational bulletin provides information on Anti-Chip Coating Appearance.
18-NA-0692025-05-06. Service bulletin. This service bulletin provides a service procedure to correct conditions of Poor Engine Performance in Extremely cold weather conditions, CAC Icing, MIL Illuminated with DTCs set.
24-NA-0032025-04-15. Service bulletin. This technical bulletin provides a procedure to correct the condition of Sunroof Wind / Air Deflector Inoperative.
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.
PIC6163D2025-02-10. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have several fasteners, located on either side of the hood latch, appear to be loose. Do not tighten, or otherwise move these two fasteners. These fasteners are part of the front fascia support bracket. They have a preset gap by design, and they have Loctite applied to the threads of the fastener so that this preset gap does not change.