WenmarOpen by Wenmar Pro

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 id10198843
Published by NHTSA2021-07-06
Manufacturer's number18NA279
Manufacturer's date2021-05-12
NHTSA componentLATCHES/LOCKS/LINKAGES

NHTSA's summary

This service 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

Latches and locks

Vehicles listed
BUICK ENCLAVE2019, 2020, 2021
BUICK ENCORE2019, 2020, 2021
BUICK ENCORE GX2020, 2021
BUICK ENVISION2019, 2020, 2021
BUICK LACROSSE2019
CADILLAC CT42020, 2021
CADILLAC CT52020, 2021
CADILLAC CT62019, 2020
CADILLAC ESCALADE2019, 2020
CADILLAC ESCALADE ESV2019, 2020, 2021
CADILLAC ESCALADE NA2021 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC XT42019, 2020, 2021
CADILLAC XT52019, 2020, 2021
CADILLAC XT62020, 2021
CHEVROLET BLAZER2019, 2020, 2021
CHEVROLET BOLT EV2019
CHEVROLET CAMARO2019, 2020, 2021
CHEVROLET CRUZE2019
CHEVROLET MALIBU2019, 2020, 2021
CHEVROLET SILVERADO 15002019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002020, 2021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 45002020, 2021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SPARK2019, 2020, 2021
CHEVROLET SUBURBAN2019, 2020, 2021
CHEVROLET TAHOE2019, 2020, 2021
CHEVROLET TRAILBLAZER2021
CHEVROLET TRAVERSE2019, 2020, 2021
CHEVROLET TRAX2019, 2020, 2021
CHEVROLET VOLT2019
GMC ACADIA2020, 2021
GMC SIERRA 15002019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002020, 2021 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2019, 2020, 2021
GMC YUKON XL2019, 2020, 2021

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

Recalls for the same vehicles and component
24V0600002024-02-01. LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
20V3240002020-06-04. LATCHES/LOCKS/LINKAGES:HOOD:LATCH; STRUCTURE:BODY:HOOD
20V1840002020-03-26. LATCHES/LOCKS/LINKAGES:DOORS:LATCH
20V1420002020-03-12. LATCHES/LOCKS/LINKAGES:HOOD: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
N232426401-012024-04-25. Service bulletin. Customer Satisfaction Program. As a remedy for Safety Recall N232426400, certain vehicles had the liftgate exterior release switch assembly disabled. This Customer Satisfaction Program provides the final repair to restore the function of the disabled liftgate exterior release switch assembly. Dealers will replace the liftgate exterior release switch assembly.
N2324264012024-04-24. Service bulletin. Customer Satisfaction Program. As a remedy for Safety Recall N232426400, certain vehicles had the liftgate exterior release switch assembly disabled. This Customer Satisfaction Program provides the final repair to restore the function of the disabled liftgate exterior release switch assembly. Dealers will replace the liftgate exterior release switch assembly.
PIT6006A2024-03-18. Service bulletin. This Preliminary information communicates where to find the back antenna for learning new key fobs.
23-NA-1122024-03-06. Service bulletin. This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.
19-NA-1262023-11-02. Service bulletin. This service bulletin provides information for dealers/technicians on an emergency trunk release key won’t turn; unable to open trunk from lock cylinder behind rear seat back; information on convertible key extender.
PIT60062023-05-15. Service bulletin. This Preliminary information communicates where to find the back antenna for learning new key fobs.
22-NA-2002023-05-06. Service bulletin. This service bulletin provides repair information to correct a customer concern of Child Safety Lock Update failure.
PIT5893A2023-03-13. Service bulletin. This Preliminary information communicates that power liftgate actuators have been returned for warranty due to improper removal procedures. The technician is instructed on how to properly remove the power liftgate actuator from the vehicle without damaging it.
18-NA-2792023-02-23. Service bulletin. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
22-NA-2002023-02-21. Service bulletin. This service bulletin provides repair information to correct a customer concern of Child Safety Lock Update failure.