# NHTSA recall 22V401000

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: 22V401000
- Manufacturer's number: SC0437
- Manufacturer: Mack Trucks, Inc.
- Reported: 2022\-06\-07
- Owners notified: 2022\-07\-29
- Component: STEERING
- Units potentially affected: 5644
- Part numbers: 23986581, 21129326, 23851030, 23851036, 23851046, 23851032, 23056973, 24008407, 23851052, 22396595,

## What is wrong

Mack Trucks, Inc. \(Mack\) is recalling certain 2021\-22 Granite, Anthem, LR, Pinnacle, and Terrapro tractor trailers. The steering gears may have been assembled incorrectly, which can cause the gear to fracture.


## What can happen

A fractured steering gear can cause a loss of steering control, increasing the risk of a crash.


## The remedy

Dealers will replace the steering gear, free of charge. Owner notification letters were mailed on July 29, 2022. Owners may contact Mack customer service at 1\-800\-866\-1177. Mack's number for this recall is SC0437.


## 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 2, for 2025 quarter 3 to 2026 quarter 2
- Filed with NHTSA: 2026\-07\-01
- Vehicles in the campaign: 5644
- Reported remedied: 4867 \(86%\)
- 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 MACK ANTHEM \(AN\)](/makes/mack/anthem/2021/recalls.md). Listed as a series or trim of this model.
- [2022 MACK ANTHEM \(AN\)](/makes/mack/anthem/2022/recalls.md). Listed as a series or trim of this model.
- [2021 MACK GRANITE \(GR\)](/makes/mack/granite/2021/recalls.md). Listed as a series or trim of this model.
- [2022 MACK GRANITE \(GR\)](/makes/mack/granite/2022/recalls.md). Listed as a series or trim of this model.
- [2021 MACK LR](/makes/mack/lr/2021/recalls.md)
- [2022 MACK LR](/makes/mack/lr/2022/recalls.md)
- [2021 MACK PINNACLE \(PI/PN\)](/makes/mack/pinnacle/2021/recalls.md). Listed as a series or trim of this model.
- [2022 MACK PINNACLE \(PI/PN\)](/makes/mack/pinnacle/2022/recalls.md). Listed as a series or trim of this model.
- 2021 MACK TE
- [2022 MACK TERRAPRO \(TE\)](/makes/mack/terrapro/2022/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.

- [CBR 2515\-1 102025](/bulletins/11024783.md), 2025-11-03, Service bulletin
- [CBR\-2375 202405](/bulletins/11000836.md), 2024-06-04, Service bulletin
- [SLM22\-004](/bulletins/10211065.md), 2022-05-06, Service bulletin
- [KC\-345](/bulletins/10207028.md), 2022-02-04, Service bulletin
- [KC\-345](/bulletins/10198737.md), 2021-07-02, Service bulletin
- [S7545](/bulletins/10183355.md), 2020-12-01, 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/22V401000](/v1/recalls/nhtsa/22V401000)

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