Mack Pioneer Recalls

On certain trucks, the grille and intake bezel(s) may not be attached properly. As a result, a bezel could detach from the truck while driving.

On certain trucks, a software problem could cause reduced trailer braking when towing a tanker trailer without internal baffles.

On certain trucks, the center roof marker light connector(s) may not have been manufactured properly. As a result, the center roof marker light(s) may not work.

On certain trucks, the wheel nut(s) could loosen and cause the wheel(s) to detach.

On certain trucks, the connector(s) for the rear brake modulator(s) may not have proper wiring protection. As a result, the rear brake modulator(s) could short circuit and cause a

On certain trucks, a software problem could cause the trailer turn signal lights not to work when towing.

On certain trucks, the automatic high beams may not switch to low beams automatically. As a result, the trucks may not meet certain requirements of Canadian regulations.

On certain trucks, the load lock clamps installed behind the cab could fail. As a result, the load lock bars could become loose and separate from the truck.

On a small number of trucks, a problem with the trailer body control module could cause the trailer lights not to work.