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Service bulletin T-SB-0032-16

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 id10142504
Published by NHTSA2018-07-02
Manufacturer's numberT-SB-0032-16
Manufacturer's date2017-04-18
NHTSA componentPARKING BRAKE:DRIVELINE:HYDRAULIC:ACTUATOR; SERVICE BRAKES, HYDRAULIC:FLUID; SERVICE BRAKES

NHTSA's summary

TSB: REVISION NOTICE: April 18, 2017 Rev1: G458The Parts Information and Required Tools and Equipment sections have been updated. Some 2004 ? 2009 model year Prius and 2006 ? 2007 model year Highlander HV vehicles may exhibit a condition where the brake, ABS, and/or TRAC warning light(s) are ON and/or a Check VSC message is displayed. Diagnostic Trouble Code (DTC) C1391, C1252, C1253 or C1256 may be stored. This condition may be caused by a small internal brake fluid leak inside the brake actuator.

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

Brakes, Brake fluid, Parking brake

Trouble codes named

C1252, C1253, C1256, C1391

Vehicles listed
TOYOTA HIGHLANDER2006, 2007
TOYOTA PRIUS2004, 2005, 2006, 2007, 2008, 2009

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
T-SB-0014-222022-04-18. Service bulletin. TSB: This Service Bulletin includes procedures to replace damaged or loose front carpet floor retainer(s) without replacing the carpet assembly. Follow the Repair Procedure in this bulletin to replace the loose or damaged carpet floor retainer(s).
T-SB-0141-132018-04-02. Service bulletin. A new Special Service Tool (SST 09709-00002) has been introduced to aid in the inspection procedure for certain vehicles equipped with a floor pedal-type parking brake system. This bulletin references the correct method for installing the Brake Pedal Force Gauge. Refer to the appropriate Repair Manual for parking brake pedal travel inspection and adjustment specification.
T-SB-0141-132016-04-12. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.