---
title: "MACK PIONEER PR (4) (2026) - Recall 26V207000 — NHTSA record 322334 | Is It on Recall"
description: "Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2027 Anthem (4) trailers. The trailer turn signals may not function properly. As such, t"
url: https://isitonrecall.com/recall/nhtsa-322334-mack-pioneer-pr-4-2026-recall-26v207000/
updated: 2026-10-01
site: "Is It on Recall"
language: en
---

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

# MACK PIONEER PR (4) (2026) - Recall 26V207000 — NHTSA record 322334

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 Apr 1, 2026. 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**: MACK PIONEER PR (4) (2026) - Recall 26V207000
- **Reason**: Mack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2027 Anthem (4) trailers. The trailer turn signals may not function properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment." Turn signals that do not function properly may fail to indicate the driver's intention to change vehicle direction, increasing the risk of a crash.
- **Classification**: Not supplied
- **Recalling firm**: Mack Trucks, Inc.
- **Quantity**: 86
- **Agency-reported status**: Published safety recall
- **Source record identifier**: 322334

[Open the official record](https://api.nhtsa.gov/recalls/campaignNumber?campaignNumber=26V207000)

## Lot and product identifiers

| Label field | Details supplied by the agency |
| --- | --- |
| Lot, code or applicability | Product applicability: MACK PIONEER PR (4); model year 2026. 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**: Apr 1, 2026
- **Manufacturer start**: Oct 24, 2024
- **Manufacturer end**: Feb 26, 2026
- **Owner notification**: May 8, 2026
- **Record created**: Apr 1, 2026

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 update the turn signal indicator software, free of charge. Owner notification letters were mailed May 7, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0493. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov April 1, 2026.

[Read the current instructions](https://api.nhtsa.gov/recalls/campaignNumber?campaignNumber=26V207000)

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/) [Mack Trucks, Inc. records](https://isitonrecall.com/brand/mack-trucks-inc/)