Mack Pioneer PR (4) problems by model year

Updated from NHTSA data · How we count

NHTSA has 0 owner complaints and 15 recalls on file for the Mack Pioneer PR (4) (2025–2027).

Complaints
0
Recalls
15
Model years
3
Worst year
—

Complaints by model year

202520262027
NHTSA complaints per Mack Pioneer PR (4) model year. Click a bar for details.

Newer model years have had less time on the road, so they naturally have fewer complaints. Compare a year against its neighbors rather than against brand-new models.

Every Mack Pioneer PR (4) model year

YearComplaintsCrashesFiresInjuriesRecallsTop problem
2027 Pioneer PR (4)00006—
2026 Pioneer PR (4)00009—
2025 Pioneer PR (4)000012—

Mack Pioneer PR (4) recalls

  • Recall 26V631000Oct 1, 20263,096 vehiclesModel years 2025–2027

    Risk: A detached bezel can become a road hazard for other vehicles, increasing the risk of a crash.

  • Recall 26V620000Sep 28, 2026850 vehiclesModel years 2026–2027

    Risk: Reduced braking performance can require a greater distance to stop, increasing the risk of a crash.

  • Recall 26V515000Aug 6, 2026513 vehiclesModel years 2027

    Risk: Marker lights that fail to illuminate can reduce visibility, increasing the risk of a crash.

  • Recall 26V351000May 28, 2026644 vehiclesDo not driveModel years 2026–2027

    Risk: Wheel detachment can cause a loss of vehicle control or create a road hazard, increasing the risk of a crash or injury.

  • Recall 26V261000Apr 23, 20262,772 vehiclesModel years 2025–2027

    Risk: A loss of anti-lock brakes and electronic stability control increases the risk of a crash or injury.

  • Recall 26V207000Apr 1, 202686 vehiclesModel years 2025–2027

    Risk: 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.

  • Recall 25V801000Nov 20, 202546 vehiclesModel years 2025–2026

    Risk: A loose or unsecured load lock bar can result in a loss of cargo, creating a road hazard and increasing the risk of a crash.

  • Recall 25V803000Nov 20, 2025247 vehiclesModel years 2025–2026

    Risk: High beam headlights that do not switch to low beam as intended can reduce visibility for oncoming traffic, increasing the risk of a crash.

  • Recall 25V622000Sep 18, 2025156 vehiclesModel years 2025–2026

    Risk: Trailer tail lights and turn signals that do not illuminate as intended can reduce visibility to other drivers, increasing the risk of a crash.

  • Recall 25V521000Aug 11, 202532 vehiclesModel years 2025–2026

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

  • Recall 25V026000Jan 21, 202521 vehiclesModel years 2025

    Risk: Insufficient air volume can reduce braking performance and increase the risk of a crash.

  • Recall 24V792000Oct 23, 202459,338 vehiclesModel years 2025

    Risk: Safety systems that depend on the ECU (Automatic Traction Control, ABS, Electronic Stability Control, Active Cruise Control, and Collison Mitigation System) may have diminished or lost functionality, increasing the risk of a crash.

  • Recall 24V567000Jul 30, 2024242 vehiclesModel years 2025

    Risk: An improperly tightened seat pedestal and seat belt attachment may not restrain the occupant as intended, increasing their risk of injury during a crash.

  • Recall 24V504000Jul 2, 202459 vehiclesModel years 2025

    Risk: The ball stud can separate from the vehicle becoming a road hazard, increasing the risk of a crash.

  • Recall 24V424000Jun 9, 20247 vehiclesDo not driveModel years 2025

    Risk: A sudden loss of steering control increases the risk of a crash.

Other Mack models

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. Methodology