# Service bulletin 21\-NA\-174

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: 10231395
- Published by NHTSA: 2023\-02\-07
- Manufacturer's number: 21\-NA\-174
- Manufacturer's date: 2023\-01\-19
- NHTSA component: ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM

## NHTSA's summary

This service bulletin provides repair information to correct a customer concern of various electrical concerns related to I/P wiring harness fuse block or body wiring harness junction block terminal retention repairs.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231395-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231395-9999.pdf)

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

## Components

Electrical system, Wiring and fuses

## Vehicles listed

- 2020 to 2023 CHEVROLET CORVETTE

## Other bulletins for the same vehicles and component

- [23\-NA\-178](/bulletins/10245411.md), 2023-11-22, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING. This service bulletin provides a procedure to look for a possible location of engine wiring harness contact and to repair a necessary to correct a customer concern of a Malfunction Indicator Lamp \(MIL\) Illuminated.

JSON: [/v1/bulletins/10231395](/v1/bulletins/10231395)

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