The Recall Desk
Our severity:SevereNHTSA·25V521000·Announced 2025-08-11

Mack Trucks Recalls 2025-2026 Anthem and Pioneer Models for Steering Defect

Mack Trucks is recalling 2025-2026 Anthem and Pioneer vehicles because a steering feature may malfunction, causing loss of control and increasing crash risk.

What this means for you

Our assessment, not the agency’s: severity 4/5 (Severe).

The hazard poses a serious risk of illness, injury, or structural failure. Stop using the product immediately and contact the manufacturer for a refund or repair.

Our severity reasoning: The recall involves a structural vehicle defect (steering control) that increases the risk of a crash, meeting the criteria for a Severe rating.

Plain-English summary

Mack Trucks, Inc. is recalling certain 2025 Anthem and 2025-2026 Pioneer vehicles. The recall addresses a defect in the dynamic steering and oversteer guidance feature, which may malfunction and cause a loss of steering control.

A loss of steering control increases the risk of a crash. The corrective action involves disabling the oversteer guidance feature through an over-the-air (OTA) update or by a dealer, free of charge.

Owner notification letters were mailed on August 21, 2025. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0483.

The recalled product

Product
MACK PIONEER PR (4), ANTHEM (AN)
Brand
MACK
Manufacturer
Mack Trucks, Inc.
Category
Vehicle — Commercial Truck
Hazard
Affected units
32

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (2)

  • PIONEER PR (4)
  • ANTHEM (AN)

Distribution

Distributed nationwide across the United States.

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