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Service bulletin 16NA380

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 id10212594
Published by NHTSA2022-05-31
Manufacturer's number16NA380
Manufacturer's date2022-01-10
NHTSA componentEQUIPMENT:EMERGENCY:FIRE SUPRESSION:SMOKE/CO WARNING/ALARM

NHTSA's summary

This service bulletin provides a diagnostic aid procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

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

Equipment and accessories

Vehicles listed
CHEVROLET 35002016
CHEVROLET 35002017 to 2019
CHEVROLET 35002020
CHEVROLET 35002021
CHEVROLET 35002022
CHEVROLET 4500HD2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET 5500HD2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET COLORADO2011, 2012
CHEVROLET COLORADO2014
CHEVROLET COLORADO2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET CRUZE2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET EQUINOX2018, 2019
CHEVROLET EXPRESS2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
CHEVROLET LOW CAB FORWARD 65002018
CHEVROLET SILVERADO 15002010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002017, 2018, 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 45002019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2020, 2021, 2022
CHEVROLET TAHOE2020, 2021, 2022
GMC CANYON2011, 2012
GMC CANYON2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
GMC SAVANA2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
GMC SIERRA 15002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2018, 2019
GMC YUKON2021, 2022
GMC YUKON XL2021, 2022

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

Recalls for the same vehicles and component
22V8740002022-11-23. EQUIPMENT
20221602022-03-31. Accessories
21V4970002021-07-01. EQUIPMENT:OTHER:LABELS
21V4960002021-07-01. EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
20201652020-04-16. Accessories
20194942019-10-03. Accessories
19V4280002019-06-11. EQUIPMENT
20192052019-04-26. Accessories
20182122018-04-27. Accessories
18V2670002018-04-26. EQUIPMENT

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
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PI0572B2024-05-06. Service bulletin. Information on COAX Repair Kit Availability.
PI0488C2024-05-06. Service bulletin. Diagnostic Information for Transmission.
23-NA-0642024-05-02. Service bulletin. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
PI0718B2024-04-29. Service bulletin. Audio System Speaker Rattle, Buzz Noise, Poor Sound
PI0689B2024-04-29. Service bulletin. Tool or Utility Box Sagging, Mis-aligned.
PI0688F2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0688E2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0688D2024-04-29. Service bulletin. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call.
PI0663F2024-04-29. Service bulletin. Factory Settings Option Inoperable, Radio Display Information May Not Match.