# Service bulletin 23\-NA\-178

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: 10245411
- Published by NHTSA: 2023\-11\-22
- Manufacturer's number: 23\-NA\-178
- Manufacturer's date: 2023\-11\-08
- NHTSA component: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245411-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245411-9999.pdf)

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

## Components

Electrical system, Engine, Wiring and fuses

## Vehicles listed

- 2023 CHEVROLET CORVETTE

## Other bulletins for the same vehicles and component

- [21\-NA\-174](/bulletins/10231395.md), 2023-02-07, Service bulletin: ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM. 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.

JSON: [/v1/bulletins/10245411](/v1/bulletins/10245411)

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