---
title: "PETERBILT 536 (2023) - Recall 23V661000 — NHTSA record 249504 | Is It on Recall"
description: "PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Kenworth T280, T380, 2020-2024 Peterbilt 548, 536, 2024 Peterbilt 537, and 2020-2024 Kenworth T480 t"
url: https://isitonrecall.com/recall/nhtsa-249504-peterbilt-536-2023-recall-23v661000/
updated: 2026-10-01
site: "Is It on Recall"
language: en
---

[Recall archive](https://isitonrecall.com/archives/) / NHTSA

# PETERBILT 536 (2023) - Recall 23V661000 — NHTSA record 249504

Published notice; closure not supplied

A campaign record does not say whether this individual vehicle has received the remedy. Check the VIN with NHTSA or the manufacturer.

Source date Sep 29, 2023. Retrieved Oct 1, 2026. Last updated Oct 1, 2026.

Archive changed Oct 1, 2026. USDA FSIS records are unavailable; [check FSIS directly](https://www.fsis.usda.gov/recalls). [Source coverage and dates](https://isitonrecall.com/sources/).

## What the record says

- **Product**: PETERBILT 536 (2023) - Recall 23V661000
- **Reason**: PACCAR Incorporated (PACCAR) is recalling certain 2021-2024 Kenworth T280, T380, 2020-2024 Peterbilt 548, 536, 2024 Peterbilt 537, and 2020-2024 Kenworth T480 trucks. The timing of the trailer brake release may be delayed. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems." A delay in the trailer brake release can create instability to the trailer and increase the risk of a crash.
- **Classification**: Not supplied
- **Recalling firm**: PACCAR Incorporated
- **Quantity**: 254
- **Agency-reported status**: Published safety recall
- **Source record identifier**: 249504

[Open the official record](https://api.nhtsa.gov/recalls/campaignNumber?campaignNumber=23V661000)

## Lot and product identifiers

| Label field | Details supplied by the agency |
| --- | --- |
| Lot, code or applicability | Product applicability: PETERBILT 536; model year 2023. Check the model identifiers and, for a vehicle, the VIN on the official recall site. |

Match all identifying details in the current notice. A brand name alone is not enough.

## Distribution

Not supplied

No US distribution state could be established from this record. Check the official notice.

## Dates in the source

- **Report received**: Sep 29, 2023
- **Owner notification**: Jan 15, 2024
- **Record created**: Oct 2, 2023

FDA company pages use the listing date; enforcement records use initiation dates; CPSC uses recall date; NHTSA uses report-received date. These dates are not interchangeable.

## What to do next

Dealers will replace the fittings and hoses in the affected valves, free of charge. Owner letters were mailed January 15, 2024. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220. PACCAR's numbers for this recall are 23KWJ and 23PBJ.

[Read the current instructions](https://api.nhtsa.gov/recalls/campaignNumber?campaignNumber=23V661000)

Use [NHTSA's VIN check](https://www.nhtsa.gov/recalls) to check an individual vehicle and its remedy status.

## Related records

[Vehicles records](https://isitonrecall.com/product/cars/) [Vehicles and equipment records](https://isitonrecall.com/category/vehicles/) [PACCAR Incorporated records](https://isitonrecall.com/brand/paccar-incorporated/)