# NHTSA recall 23V899000

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: 23V899000
- Manufacturer's number: SC0457
- Manufacturer: Mack Trucks, Inc.
- Reported: 2023\-12\-26
- Owners notified: 2024\-02\-09
- Component: STEERING
- Units potentially affected: 284
- Part numbers: 23851030, 21129326,23851046, 23851052

## What is wrong

Mack Trucks, Inc. \(Mack\) is recalling certain 2024 Anthem, Pinnacle, and Terrapro vehicles.  The steering gear assemblies may have been assembled incorrectly with fewer recirculating balls than are required, which may result in a loss of steering control.


## What can happen

A loss of steering control increases the risk of a crash.


## The remedy

Dealers will inspect and replace the defective gears as necessary, free of charge.  Owner notification letters were mailed February 9, 2024.  Owners may contact Mack customer service at 1\-800\-866\-1177.  Mack's number for this recall is SC0457.


## 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: Quarterly report 8, for 2025 quarter 4
- Filed with NHTSA: 2026\-01\-05
- Vehicles in the campaign: 284
- Reported remedied: 207 \(72%\)
- Reported unreachable: 0
- Reported removed: 0

These are the manufacturer's totals for the whole campaign at the end of 2025 quarter 4, 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

- [2024 MACK ANTHEM \(AN\)](/makes/mack/anthem/2024/recalls.md). Listed as a series or trim of this model.
- [2024 MACK PINNACLE \(PI/PN\)](/makes/mack/pinnacle/2024/recalls.md). Listed as a series or trim of this model.
- [2024 MACK TERRAPRO \(TE\)](/makes/mack/terrapro/2024/recalls.md). Listed as a series or trim of this model.

## Bulletins for the same vehicles and component

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

- [S3284 202408](/bulletins/11006863.md), 2024-09-04, Service campaign
- [S3949 202406](/bulletins/11003045.md), 2024-07-03, Service campaign
- [CBR\-2375 202405](/bulletins/11000836.md), 2024-06-04, Service bulletin
- [S3949 202404](/bulletins/10253781.md), 2024-05-01, Service bulletin
- [S3857 202402](/bulletins/10251335.md), 2024-03-06, Service bulletin
- [S3275](/bulletins/10238816.md), 2023-07-06, 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/23V899000](/v1/recalls/nhtsa/23V899000)

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