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Service bulletin SM-06.28.2017

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 id10180012
Published by NHTSA2020-09-21
Manufacturer's numberSM-06.28.2017
Manufacturer's date2017-06-28
NHTSA componentELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; ELECTRICAL SYSTEM:WIRING; EQUIPMENT; SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING)

NHTSA's summary

Due to a miswiring, some trailer brakes may be activated when the 7-pin connector is connected to tow vehicle.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Brakes, Electrical system, Equipment and accessories, Anti-lock brakes, Wiring and fuses

Vehicles listed
SMITTYBILT SMITTYBILT

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