# Service bulletin 16\-NA\-380

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: 10140304
- Published by NHTSA: 2018\-06\-11
- Manufacturer's number: 16\-NA\-380
- Manufacturer's date: 2017\-08\-31
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

## NHTSA's summary

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

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10140304-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10140304-0001.pdf)

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

## Components

Engine, Exhaust and emissions

## Vehicles listed

- 2011 to 2012 CHEVROLET COLORADO
- 2014 CHEVROLET COLORADO
- 2015 to 2018 CHEVROLET COLORADO
- 2011 to 2018 CHEVROLET CRUZE
- 2018 CHEVROLET EQUINOX
- 2010 to 2012 CHEVROLET EXPRESS
- 2014 to 2018 CHEVROLET EXPRESS
- 2017 CHEVROLET SILVERADO
- 2010 to 2011 CHEVROLET SILVERADO 1500
- 2010 to 2013 CHEVROLET SILVERADO 2500
- 2015 to 2016 CHEVROLET SILVERADO 2500
- 2018 CHEVROLET SILVERADO 2500
- 2013 CHEVROLET SILVERADO 3500
- 2011 to 2012 GMC CANYON
- 2015 to 2017 GMC CANYON
- 2010 to 2018 GMC SAVANA
- 2017 GMC SIERRA
- 2014 GMC SIERRA 1500
- 2011 to 2016 GMC SIERRA 2500
- 2018 GMC SIERRA 2500
- 2011 to 2013 GMC SIERRA DENALI
- 2015 to 2016 GMC SIERRA DENALI
- 2018 GMC SIERRA DENALI

## Recalls for the same vehicles and component

- [19V328000](/recalls/nhtsa/19V328000.md), 2019-04-25: ENGINE
- [2014577](/recalls/tc/2014577.md), 2014-12-18: Engine
- [2014005](/recalls/tc/2014005.md), 2014-01-13: Engine
- [14V007000](/recalls/nhtsa/14V007000.md), 2014-01-13: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
- [12V288000](/recalls/nhtsa/12V288000.md), 2012-06-22: ENGINE AND ENGINE COOLING

## Other bulletins for the same vehicles and component

- [00\-06\-01\-026R](/bulletins/11026017.md), 2025-12-03, Service bulletin: ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
- [22\-NA\-007](/bulletins/11025552.md), 2025-11-15, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This service bulletin provides procedures to correct customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler \(CAC\) Icing \- Malfunction Indicator Lamp \(MIL\) Illuminated with DTCs P0299, P0234, P0236, P2227, P00C7 Set.
- [23\-NA\-153](/bulletins/11024485.md), 2025-10-25, Service bulletin: ENGINE. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
- [22\-NA\-080](/bulletins/11024330.md), 2025-10-16, Service bulletin: ENGINE. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
- [15\-NA\-010](/bulletins/11020254.md), 2025-07-07, Service bulletin: ENGINE. This service bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
- [25\-NA\-100](/bulletins/11019503.md), 2025-06-12, Service bulletin: ENGINE. This warranty administration bulletin provides policy information on vehicles outside of a California Emissions State who move to and register their vehicle in a California Emission State may be entitled to the 7 year, 70,000\-mile Emission Select State Component Limited Warranty.
- [21\-NA\-139](/bulletins/11017443.md), 2025-05-01, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp \(MIL\) Illuminated \- DTC P3055 Set.
- [25\-NA\-052](/bulletins/11017263.md), 2025-04-28, Service bulletin: ENGINE. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
- [25\-NA\-052](/bulletins/11016942.md), 2025-04-10, Service bulletin: ENGINE. This bulletin advises the technician to flush the cooling system multiple times if oil has been found in the cooling system and replace the parts that may be contaminated due to oil in system.
- [22\-NA\-074](/bulletins/11014233.md), 2025-02-12, Service bulletin: ENGINE. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.

JSON: [/v1/bulletins/10140304](/v1/bulletins/10140304)

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