# Service bulletin 18NA171

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: 10194083
- Published by NHTSA: 2021\-05\-24
- Manufacturer's number: 18NA171
- Manufacturer's date: 2021\-04\-13
- NHTSA component: STRUCTURE

## NHTSA's summary

This service bulletin provides a procedure to repair the mechanical components and then reprogram the throttle body to prevent the conditions of a rough running engine, MIL Illuminated.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194083-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10194083-9999.pdf)

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

## Components

Body and frame

## Vehicles listed

- 2016 to 2019 BUICK ENCORE
- 2016 to 2019 CHEVROLET CRUZE
- 2018 to 2019 CHEVROLET TRAX

## Other bulletins for the same vehicles and component

- [05\-08\-51\-001L](/bulletins/11015382.md), 2025-03-08, Service bulletin: STRUCTURE:BODY. This informational bulletin provides a procedure on how to remove the paint stain that may present itself under the shipping film.
- [22\-NA\-244](/bulletins/11014238.md), 2025-02-12, Service bulletin: UNKNOWN OR OTHER; STRUCTURE:BODY. This warranty administration service bulletin provides information about GM Accessories \- Dealer\-Installed, Repaired or Replaced During Warranty Coverage Period.
- [10\-08\-110\-001L](/bulletins/11014171.md), 2025-02-11, Service bulletin: STRUCTURE:BODY; VEHICLE SPEED CONTROL. This service bulletin provides information on proper use of floor mats.
- [21\-NA\-043](/bulletins/11011709.md), 2024-12-10, Service bulletin: STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [22\-NA\-244](/bulletins/11010493.md), 2024-11-13, Service bulletin: UNKNOWN OR OTHER; STRUCTURE:BODY. This warranty administration service bulletin provides information about GM Accessories \- Dealer\-Installed, Repaired or Replaced During Warranty Coverage Period.
- [23\-NA\-219](/bulletins/11009764.md), 2024-11-05, Service bulletin: UNKNOWN OR OTHER; STRUCTURE:BODY. This service bulletin provides information on Concerns or Questions Regarding Installation of Dealer Installed Accessories.
- [22\-NA\-244](/bulletins/11000550.md), 2024-05-30, Warranty extension: ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY; UNKNOWN OR OTHER; SERVICE BRAKES. This service bulletin provides information about GM Accessories \- Dealer\-Installed, Repaired or Replaced During Warranty Coverage Period.
- [22\-NA\-007](/bulletins/10250573.md), 2024-02-23, Service bulletin: STRUCTURE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. 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.
- [PI0281K](/bulletins/10250244.md), 2024-02-14, Service bulletin: STRUCTURE. This preliminary informational \(PI\) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
- [99\-08\-51\-001F](/bulletins/10239124.md), 2023-07-14, Service bulletin: STRUCTURE. This service bulletin provides information on Paintless Dent Repair Process.

JSON: [/v1/bulletins/10194083](/v1/bulletins/10194083)

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