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Service bulletin Prius LKA Follow

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 id10133819
Published by NHTSA2018-04-23
Manufacturer's numberPrius LKA Follow
Manufacturer's date2013-03-29
NHTSA componentLANE DEPARTURE: LANE KEEP: STEERING ASSIST

NHTSA's summary

On your 2012 model year Prius vehicle, the Lane-Keeping Assist (LKA) system may not activate the lane departure warning (beep) when the vehicle begins to deviate from the marked lane. All other features of the LKA system operate as designed.

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

Driver assistance, Lane departure and lane keeping

Vehicles listed
TOYOTA PRIUS2012

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

Other bulletins for the same vehicles and component
C0G_TECH 2/162017-03-02. Service bulletin. C0G EXPIRED ON MAY 31, 2015.
C0G_DEALER 2/162017-03-02. Service bulletin. C0G EXPIRED ON MAY 31, 2015.