CarRecallWatchThe 2026 Mack Pioneer PR (4) has 9 safety recalls on file with NHTSA.
2026 Mack Pioneer PR (4) recalls
Grille and Intake Bezels May Detach, Creating Road Hazard
The intake and grille bezels on certain vehicles may detach from the truck.
Trucks May Need More Distance to Stop When Towing Tankers
Certain 2026-2027 Mack Anthem and Pioneer trucks equipped with a tanker application package may calculate axle loads inaccurately.
Loose Wheel Lug Nuts Can Let Wheels Detach
Certain heavy-duty trucks have wheel lug nuts that may loosen over time.
Brake Modulator Wiring Can Short, Disabling ABS and Stability Control
Certain heavy trucks may have unprotected electrical connectors on the rear brake modulators.
Trailer turn signals may fail, raising crash risk
Some Mack trailers may have turn signals that do not work properly.
Loose Load Lock Clamps Can Release Cargo on the Road
Certain trucks have load lock clamps on the back of the cab that may loosen over time.
Automatic high beams may not dim for oncoming traffic
Certain 2025 and 2026 Mack trucks have a lighting control software problem.
Trailer Lights May Not Illuminate, Raising Crash Risk
The lighting control module in certain vehicles may have been improperly manufactured.
Steering May Fail, Risking Loss of Control and Crash
Certain 2025 Mack Anthem and 2025-2026 Mack Pioneer trucks may have a malfunction in the dynamic steering and oversteer guidance feature.
2026 Mack Pioneer PR (4) questions
Does the 2026 Mack Pioneer PR (4) have any recalls?
Yes. NHTSA lists 9 safety recalls for the 2026 Mack Pioneer PR (4): Grille and Intake Bezels May Detach, Creating Road Hazard; Trucks May Need More Distance to Stop When Towing Tankers; Loose Wheel Lug Nuts Can Let Wheels Detach; Brake Modulator Wiring Can Short, Disabling ABS and Stability Control; Trailer turn signals may fail, raising crash risk. Recall repairs are normally free at an authorized dealer.
How do I check if a recall on my 2026 Mack Pioneer PR (4) has been fixed?
Enter your 17-character VIN in our VIN recall check. It shows open recalls that have not been repaired on your specific vehicle. Recall repairs are normally free at an authorized dealer.