T-SB-0032-16

T-SB-0032-16
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
Introduction
Some 2004 – 2009 model year Prius and 2006 – 2007 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
OFP
T1
T2
2004 – 2006
Prius
896051
R & R Brake Actuator
Assembly
3.3
44500-47091
8A
71
2007 – 2009
Prius
896051
R & R Brake Actuator
Assembly
3.3
44500-47141
8A
71
2006 – 2007
Highlander
HV
896051
R & R Brake Actuator
Assembly
1.4
44050-48191
8A
71
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.
© 2016 Toyota Motor Sales, USA
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T-SB-0032-16
April 13, 2016
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ABS Brake Warning Light On
Parts Information
PART NUMBER
YEAR
MODEL
PREVIOUS
NEW
PART NAME
QTY
2004 – 2006
Prius
44500-47091
04003-44347
Actuator Assy, Brake w/ Fluid
1
2007 – 2009
Prius
44500-47141
04003-44647
Actuator Assy, Brake w/ Fluid
1
2006 – 2007
Highlander
HV
44050-48191
04003-45148
Actuator Assy, Brake w/ Fluid
1
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
PART NUMBER
Techstream 2.0*
QTY
TS2UNIT
ADE
Techstream Lite
1
TSLITEPDLR01
* Essential SST.
NOTE
Only ONE of the Techstream units listed above is required.
Software version 11.00.017 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): C1391, C1256, C1252, or C1253 stored?

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 TIS, applicable model and model year
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:

2004 / 2005 / 2006 / 2007 / 2008 / 2009 Prius:
Brake – Brake Control/Dynamic Brake System – “Brake Control: Brake Actuator”:
Replacement”
© 2016 Toyota Motor Sales, USA
T-SB-0032-16
April 13, 2016
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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.
© 2016 Toyota Motor Sales, USA