# NHTSA recall 23V423000

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

- Published by: NHTSA \(United States\)
- Campaign number: 23V423000
- Manufacturer's number: 23PBD
- Manufacturer: PACCAR Incorporated
- Reported: 2023\-06\-13
- Owners notified: 2023\-07\-13
- Component: ELECTRICAL SYSTEM
- Units potentially affected: 4967
- Part numbers: See manufacturer comments section

## What is wrong

PACCAR, Incorporated \(PACCAR\) is recalling certain 2021\-2023 Peterbilt 579 vehicles equipped with MX\-13 engines and 160\-amp alternators.  A fastener on the front spring bracket may have been installed with the head on the outside of the frame rail, which can chafe and damage the alternator positive cable.


## What can happen

A damaged alternator cable increases the risk of a fire.


## The remedy

Dealers will replace the frame fastener and secure the alternator cable, free of charge.  Owner notification letters are expected to be mailed August 11, 2023.  Owners may contact Peterbilt's customer service at 1\-940\-591\-4220.  PACCAR's number for this recall is 23PBD.


## Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1\-888\-327\-4236 \(TTY 1\-800\-424\-9153\), or go to www.nhtsa.gov.


## Remedy progress the manufacturer reported

- Report: Annual report 1, for 2025 quarter 3 to 2026 quarter 2
- Filed with NHTSA: 2026\-07\-28
- Vehicles in the campaign: 4967
- Reported remedied: 4491 \(90%\)
- Reported unreachable: 0
- Reported removed: 0

These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 2, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026\-10\-19.

## Vehicles this campaign lists

- [2021 PETERBILT 579](/makes/peterbilt/579/2021/recalls.md)
- [2022 PETERBILT 579](/makes/peterbilt/579/2022/recalls.md)
- [2023 PETERBILT 579](/makes/peterbilt/579/2023/recalls.md)

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [46\-020](/bulletins/11035203.md), 2026-07-23, Service bulletin
- [43\-080](/bulletins/11033918.md), 2026-06-17, Service bulletin
- [R2103](/bulletins/11033914.md), 2026-06-17, Service bulletin
- [R2601](/bulletins/11033387.md), 2026-06-04, Service bulletin
- [02\-177](/bulletins/11033351.md), 2026-06-03, Service bulletin
- [E326](/bulletins/11032284.md), 2026-05-06, Emissions
- [24PBE\_KWE](/bulletins/11029738.md), 2026-03-05, Service bulletin
- [24PBE](/bulletins/11026415.md), 2025-12-05, Service campaign
- [98\-030](/bulletins/11019172.md), 2025-06-05, Service bulletin
- [25PBC](/bulletins/11017902.md), 2025-05-06, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/23V423000](/v1/recalls/nhtsa/23V423000)

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