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Service bulletin 522-001

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 id10057496
Published by NHTSA2015-06-03
Manufacturer's number522-001
Manufacturer's date2014-08-21
NHTSA componentEQUIPMENT:RECREATIONAL VEHICLE/TRAILER:LPG SYSTEMS:TANK VALVE/GAUGE

NHTSA's summary

WESTPORT: SEE DOCUMENT SEARCH BUTTON FOR OWNERS LETTER. INFORMATION IN REGARDS TO CNG-EQUIPPED VEHICLES USING THE SOLENOID VALVE. *LJ

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

Equipment and accessories

Vehicles listed
WESTPORT ISX G2009

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