T-SB-0032-16

T-SB-0032-16
Rev1
April 13, 2016
ABS Brake Warning Light On
Service
Category
Brake
Section
Brake Control/Dynamic Control System
Market USA
Applicability
YEAR(S)
MODEL(S)
2006 - 2007
Highlander HV
2004 - 2009
Prius
ADDITIONAL INFORMATION
REVISION NOTICE
April 18, 2017 Rev1:
The Parts Information and Required Tools and Equipment sections have been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
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. Follow the Repair Procedure in this bulletin to address this condition.
Warranty Information
MODEL YEAR
MODEL
OP CODE
DESCRIPTION
TIME
R & R Brake Actuator
Assembly
3.3
2004 – 2005
2006 – 2009
2006 – 2007
OFP
T1
T2
8A
71
44500-47091
Prius
896051
Highlander HV
44500-47141
1.4
44050-48191
APPLICABLE WARRANTY
This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 miles, whichever occurs first, from the vehicle’s in-service date.
Warranty application is limited to occurrence of the specified condition described in
this bulletin.
© 2017 Toyota Motor Sales, USA
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T-SB-0032-16
Rev1
April 13, 2016
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ABS Brake Warning Light On
Parts Information
PART NUMBER
YEAR
MODEL
2004 – 2005
PART NAME
PREVIOUS
NEW
44500-47091
04003-44347
44500-47141
04003-44647
44050-48191
04003-45148
QTY
1
Prius
2006 – 2009
2006 – 2007 Highlander HV
Actuator Assy, Brake w/Fluid
1
1
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*
Techstream Lite
PART NUMBER
TS2UNIT
ADE
Techstream Lite (Green Cable)
TSLITEPDLR01
TSLP2DLR01
* Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 12.00.125 or later is required.
Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
Repair Procedure
1. Using Techstream, check for stored DTC(s). Record ANY stored DTC(s).
Are ANY of the following DTC(s) stored: C1391, C1256, C1252, or C1253?

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Replace the brake actuator with the NEW part.
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:

QTY
2004 / 2005 / 2006 / 2007 / 2008 / 2009 Prius:
Brake – Brake Control/Dynamic Brake System – “Brake Control: Brake
Actuator: Replacement”
© 2017 Toyota Motor Sales, USA
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T-SB-0032-16
Rev1
April 13, 2016
ABS Brake Warning Light On
Repair Procedure (Continued)

2006 / 2007 Highlander HV:
Brake – Brake Control/Dynamic Brake System – “Brake Control: Brake
Actuator: Removal”

2006 / 2007 Highlander HV:
Brake – Brake Control/Dynamic Brake System – “Brake Control: Brake
Actuator: Installation”
3. Test drive the vehicle to confirm that the condition has been corrected.
© 2017 Toyota Motor Sales, USA
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