# 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.

- Type: Service bulletin
- NHTSA id: 10171887
- Published by NHTSA: 2020\-03\-02
- Manufacturer's number: 18NA279
- Manufacturer's date: 2020\-01\-22
- NHTSA component: STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH

## NHTSA's summary

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

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171887-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10171887-9999.pdf)

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

## Components

Body and frame, Latches and locks, Door latch

## Vehicles listed

- 2019 to 2020 BUICK ENCLAVE
- 2019 to 2020 BUICK ENCORE
- 2019 to 2020 BUICK ENVISION
- 2019 BUICK LACROSSE
- 2020 CADILLAC CT4
- 2020 CADILLAC CT5
- 2019 to 2020 CADILLAC CT6
- 2019 to 2020 CADILLAC ESCALADE
- 2019 to 2020 CADILLAC ESCALADE ESV
- 2019 to 2020 CADILLAC XT4
- 2020 CADILLAC XT5
- 2020 CADILLAC XT6
- 2019 to 2020 CHEVROLET BLAZER
- 2019 CHEVROLET BOLT EV
- 2019 to 2020 CHEVROLET CAMARO
- 2019 CHEVROLET CRUZE
- 2019 to 2020 CHEVROLET MALIBU
- 2019 to 2020 CHEVROLET SILVERADO 1500
- 2019 to 2020 CHEVROLET SPARK
- 2019 to 2020 CHEVROLET SUBURBAN
- 2019 to 2020 CHEVROLET TAHOE
- 2019 to 2020 CHEVROLET TRAVERSE
- 2019 to 2020 CHEVROLET TRAX
- 2019 CHEVROLET VOLT
- 2020 GMC ACADIA
- 2019 to 2020 GMC SIERRA 1500
- 2019 to 2020 GMC YUKON

## Recalls for the same vehicles and component

- [20V184000](/recalls/nhtsa/20V184000.md), 2020-03-26: LATCHES/LOCKS/LINKAGES:DOORS:LATCH

## Other bulletins for the same vehicles and component

- [PIE0589A](/bulletins/10184512.md), 2020-12-21, Service bulletin: EQUIPMENT; BACK OVER PREVENTION; LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:HATCHBACK/LIFTGATE. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a concern with the Rear View Camera not aligned \(verbatims such as rear/back up camera is misaligned, crooked, tilted, etc. and usually tied to an endgate/tailgate latch handle replacement\).
- [PIT5749](/bulletins/10178305.md), 2020-08-10, Service bulletin: STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. This Preliminary information communicates an issue with the rear door lock rod sticking in the door panel bezel and provides direction on repairing the issue.
- [PIC6373](/bulletins/10168962.md), 2019-12-09, Service bulletin: LATCHES/LOCKS/LINKAGES:DOORS:LATCH. This Preliminary information communicates information to the technician on how to diagnose a concern where the door locks unlock three times in succession when the vehicle is first started / driven.
- [PIT5665](/bulletins/10156932.md), 2019-04-08, Service bulletin: EQUIPMENT:ELECTRICAL; LATCHES/LOCKS/LINKAGES:DOORS:LATCH. This Preliminary information communicates customers may comment on poor remote keyless entry \(RKE\) range \(less than 20 feet.\) Some customers may comment that the RKE fob must be held next to the driver door handle before the doors will unlock when passively attempting to unlock the door. The Radio Antenna Amplifier may be causing the range issue.
- [PIT5629](/bulletins/10144482.md), 2018-09-17, Service bulletin: LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. This Preliminary information communicates steps to enable passive door unlocking.

JSON: [/v1/bulletins/10171887](/v1/bulletins/10171887)

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