# Service bulletin 16NA051

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: 10139214
- Published by NHTSA: 2018\-06\-04
- Manufacturer's number: 16NA051
- Manufacturer's date: 2017\-12\-21
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ELECTRICAL SYSTEM

## NHTSA's summary

This technical bulletin provides a procedure for connector kit and ambient air temperature sensor harness replacement due to active shutters being inoperative.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10139214-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10139214-0001.pdf)

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

## Components

Electrical system, Engine, Exhaust and emissions, Exhaust manifold, pipes and muffler

## Vehicles listed

- 2017 to 2018 BUICK LACROSSE
- 2016 to 2018 CHEVROLET MALIBU

## Other bulletins for the same vehicles and component

- [PIE0413](/bulletins/10137690.md), 2018-05-21, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE. This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P0171 and/or P0174.

JSON: [/v1/bulletins/10139214](/v1/bulletins/10139214)

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