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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 id10086301
Published by NHTSA2016-12-14
Manufacturer's numberT-SB-0049-16 REV
Manufacturer's date2016-07-07
NHTSA componentEQUIPMENT

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

Equipment and accessories

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
25V8760002025-12-17. EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR RESTRAINTS/SECUREMENT:LATCH/ANCHOR:
16V4200002016-06-09. EQUIPMENT:OTHER:LABELS
15V3150002015-05-27. EQUIPMENT:OTHER:LABELS; TIRES

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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T-SB-0057-182023-06-26. Service bulletin. TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased. Follow the procedures in this bulletin to reset a vehicle Immobilizer or Smart Key system.
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TSB0003202022-09-15. Service bulletin. OBSOLETE NOTICE May 02, 2022: This bulletin is now obsolete. Please see T-SB-0045-22
T-SB-0119-15 Rev2022-06-13. Service bulletin. TSB: This bulletin includes basic procedures for performing a rescue charge on Ni-MH high voltage (HV) batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while performing a rescue charge. The GRX-5100 should be used wherever the Repair Manual references the Toyota Hybrid System (THS) charger
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ZKG_Technical_In2022-05-16. Service bulletin. TI: Technical Instructions Customer Support Program ZKG Multiple Models and Model Years Vehicles Painted with Blizzard Pearl (070) or Super White (040) Paint Color Coverage for Peeling of Factory-Applied Paint