# Service bulletin 21NA192

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: 10214229
- Published by NHTSA: 2022\-06\-21
- Manufacturer's number: 21NA192
- Manufacturer's date: 2022\-02\-18
- NHTSA component: VISIBILITY:SUN/MOON ROOF ASSEMBLY

## NHTSA's summary

This service bulletin provides repair information to correct a customer concern of the Convertible Top May Not Lower Intermittently, Technician may find DTC B19E4 SYM64 May be Stored in History.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214229-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214229-9999.pdf)

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

## Components

Glass, wipers and mirrors, Sunroof

## Trouble codes named

B19E4

## Vehicles listed

- 2020 to 2022 CHEVROLET CORVETTE

## Other bulletins for the same vehicles and component

- [PIC6378C](/bulletins/10247777.md), 2023-12-26, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communicates helpful information on diagnosing general customer concerns related to a power folding top.
- [PIC5260F](/bulletins/10216372.md), 2022-07-25, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto\-reverse, and/or water leaks.
- [PIC5260E](/bulletins/10211770.md), 2022-05-16, Service bulletin: VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto\-reverse, and/or water leaks.

JSON: [/v1/bulletins/10214229](/v1/bulletins/10214229)

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