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Service bulletin TSB 454

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10086594
Published by NHTSA2016-12-19
Manufacturer's numberTSB 454
Manufacturer's date2016-05-31
NHTSA componentSERVICE BRAKES

NHTSA's summary

NEWMAR CORPORATION HAS DECIDED THAT A DEFECT RELATING TO MOTOR VEHICLE SAFETY EXISTS IN SPECIFIC MOTORHOMES. THIS RECALL IS THE RESULT OF INFORMATION PROVIDED TO US BY DAIMLER TRUCKS NORTH AMERICA LLC. NHTSA#16V 252, TC#2016-205 ON CERTAIN FREIGHTLINER BRAND MOTORHOME CHASSIS BUILT WITH A HEAVIER ADJUSTABLE FOOT PEDAL, THE BRAKE ACTIVATION SIGNAL TO CERTAIN TOWED DEVICES MAY NOT DEACTIVATE WHEN THE MOTORHOME SERVICE BRAKES ARE RELEASED. IF THE BRAKE ACTIVATION SIGNAL TO A TOWED DEVICE REMAINS ACTIVE WHEN THE MOTORHOME CHASSIS SERVICE BRAKES ARE RELEASED, THE BRAKES ON A TOWED DEVICE MAY REMAIN ENGAGED DEPENDING ON THE BRAKE CONFIGURATION OF THE TRAILER. A TOWED DEVICE WITH INCORRECTLY OPERATING BRAKES COULD INCREASE THE RISK OF A CRASH.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes

Vehicles listed
NEWMAR DUTCH STAR2014 to 2015
NEWMAR ESSEX2014 to 2015
NEWMAR KING AIRE2014 to 2015
NEWMAR LONDON AIRE2015
NEWMAR MOUNTAIN AIRE2014 to 2015

Listing a model year does not mean every vehicle of it is concerned: the document says which.