# Service bulletin 0816423

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: 10242796
- Published by NHTSA: 2023\-09\-25
- Manufacturer's number: 0816423
- Manufacturer's date: 2023\-07\-12
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

## NHTSA's summary

Humidity Sensor Harness Missing Technician may have issues re\-establishing the connection after replacing the vehicle rear wiring. There is no humidity sensor connection on the vehicle rear wiring harness

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242796-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10242796-9999.pdf)

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

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2017 to 2018 ALFA ROMEO GIULIA

JSON: [/v1/bulletins/10242796](/v1/bulletins/10242796)

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