nhtsa2026-09-28

Software Calculation Error May Cause Reduced Braking Performance

Mack Trucks, Inc. (Mack) is recalling certain 2026-2027 Anthem AN (4) and Pioneer PR (4) vehicles equipped with a tanker application package. Inaccurate axle load calculations may cause reduced braking performance while transporting

Overview

Mack Trucks, Inc. (Mack) is recalling certain 2026-2027 Anthem AN (4) and Pioneer PR (4) vehicles equipped with a tanker application package. Inaccurate axle load calculations may cause reduced braking performance while transporting smoothbore tanker trailers.

Products Affected

  • Mack Trucks, Inc.
    Software Calculation Error May Cause Reduced Braking Performance
  • Mack Trucks, Inc.
    Software Calculation Error May Cause Reduced Braking Performance

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