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Service bulletins for the 2012 Western Star 4700

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

644 on file from NHTSA, as of 2026-10-19.

By type

By component

By topic

Only bulletins with component: Parking brake are shown. Show all

Bulletins, newest first
SF4832018-06-18. Service bulletin. PARKING BRAKE. SF483-DLR Western Star ECC Park Brake Output Signals
SF-483-A2013-08-28. Service bulletin. PARKING BRAKE. DAIMLER TRUCKS: ON CERTAIN TRUCKS, ENGINE MAY NOT RECEIVE COMPLETE PARK BRAKE ENGAGED INPUT SIGNAL FROM ELECTRONIC CONTROL CENTER (ECC), AND WILL BE MODIFIED, BY MOVING PARK BRAKE INPUT SIGNAL TO AN INDEPENDENT AIR SWITCH. MODEL 2010-2013 4700, 4900, 6900. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.