# Service bulletin 22\-NA\-008

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: 10232154
- Published by NHTSA: 2023\-03\-01
- Manufacturer's number: 22\-NA\-008
- Manufacturer's date: 2023\-02\-16
- NHTSA component: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM

## NHTSA's summary

This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232154-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232154-9999.pdf)

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

## Components

Electrical system, Engine, Wiring and fuses

## Vehicles listed

- 2020 to 2022 BUICK ENCORE GX
- 2021 to 2022 CHEVROLET TRAILBLAZER

## Other bulletins for the same vehicles and component

- [22\-NA\-008](/bulletins/10225716.md), 2022-11-03, Service bulletin: ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM. This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.
- [22\-NA\-008](/bulletins/10213501.md), 2022-06-06, Service bulletin: ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:CRITICAL FASTENERS; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.
- [PIP5826B](/bulletins/10206744.md), 2022-01-24, Service bulletin: ENGINE; ELECTRICAL SYSTEM:WIRING. This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

JSON: [/v1/bulletins/10232154](/v1/bulletins/10232154)

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