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Service bulletin T-SB-0049-16 REV

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 id10087781
Published by NHTSA2017-01-04
Manufacturer's numberT-SB-0049-16 REV
Manufacturer's date2016-07-07
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

TSB: SOME 2015 – 2016 MODEL YEAR AVALON, CAMRY, SIENNA, AND TUNDRA VEHICLES EQUIPPED WITH BLIND SPOT MONITOR MAY EXHIBIT A BLIND SPOT MONITOR WARNING MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1AB2 SHORT TO GROUND IN OUTER MIRROR INDICATOR (MASTER) OR C1AB3 SHORT TO GROUND IN OUTER MIRROR INDICATOR (SLAVE) STORED. FOLLOW THE REPAIR PROCEDURE IN THIS BULLETIN TO ADDRESS THIS CONDITION.

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

Electrical system

Trouble codes named

C1AB2, C1AB3

Vehicles listed
TOYOTA AVALON HYBRID2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA CAMRY2015, 2016
TOYOTA CAMRY HYBRID2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
TOYOTA SIENNA2015, 2016
TOYOTA TUNDRA2015, 2016

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

Recalls for the same vehicles and component
20217232021-11-24. Electrical
20173632017-07-20. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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