WenmarOpen by Wenmar Pro

B1524 on the 2026 Mack Anthem

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B1524
CBR-2588-2 2026062026-06-29. Service bulletin. The purpose of this CBR is to provide aid in VMCU fault B1524-49 along with a Rain sensor which will not calibrate.

1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.