# Service bulletin 52\-004

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: 10199985
- Published by NHTSA: 2021\-08\-05
- Manufacturer's number: 52\-004
- Manufacturer's date: 2021\-07\-19
- NHTSA component: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE

## NHTSA's summary

Fix\-as\-Fail: Radio does not mute when truck with auto trans is placed in reverse. Software flash resolves issue.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199985-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199985-9999.pdf)

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

## Components

Driver assistance, Electrical system, Equipment and accessories, Blind spot detection

## Vehicles listed

- 2020 PETERBILT 330
- 2020 PETERBILT 337
- 2020 PETERBILT 348
- 2020 PETERBILT 365
- 2020 PETERBILT 367
- 2020 PETERBILT 389
- 2020 PETERBILT 537
- 2020 PETERBILT 548
- 2020 PETERBILT 567
- 2020 PETERBILT 579

JSON: [/v1/bulletins/10199985](/v1/bulletins/10199985)

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