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Service bulletin C0W Region Lette

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 id10133968
Published by NHTSA2018-04-23
Manufacturer's numberC0W Region Lette
Manufacturer's date2012-12-14
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

On certain 2013 Model Year Scion FR-S vehicles, the On Board Diagnostics II System may need to be updated to meet the regulations set forth by the California Air Resources Board CARB. An update for the ECM to improve the monitoring parameters within the OBD-II system is now available.

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

Electrical system, Software

Vehicles listed
SCION FR-S2013

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