# Service bulletin PIC6489C

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: 10232833
- Published by NHTSA: 2023\-03\-13
- Manufacturer's number: PIC6489C
- Manufacturer's date: 2023\-02\-23
- NHTSA component: TRAILER HITCHES

## NHTSA's summary

This Preliminary information communicates to the technicians that if they have a Lyriq that comes in for this concern to Double USB Update the A11 radio receiver while GM is working on a solution.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232833-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232833-9999.pdf)

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

## Components

Trailer hitch

## Vehicles listed

- 2023 CADILLAC redundant LYRIQ

JSON: [/v1/bulletins/10232833](/v1/bulletins/10232833)

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