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Service bulletin S-SB-0032-13

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 id10132236
Published by NHTSA2018-04-02
Manufacturer's numberS-SB-0032-13
Manufacturer's date2013-08-20
NHTSA componentBACK OVER PREVENTION; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

Some 2012 - 2013 model year iQ vehicles may exhibit one or more of the following conditions: Rattle type noise for first couple minutes following a cold start, Excessive combustion chamber carbon build-up, and Idle speed momentarily drops to 500 rpm after a cold start. Follow the repair procedure in this bulletin to address these conditions.

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, Engine, Exhaust and emissions, Backup camera

Vehicles listed
SCION IQ2012 to 2013

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