T-SB-0024-19

T-SB-0024-19
March 6, 2019
ABS Brake Warning Light On
Service
Category
Brake
Section
Brake Control/Dynamic Control System
Market USA
Applicability
YEAR(S)
MODEL(S)
2012 - 2015
Prius PHV
2011 - 2015
Prius
ADDITIONAL INFORMATION
Introduction
Some 2011 – 2015 model year Prius and 2012 – 2015 model year Prius Plug-in Hybrid vehicles
may exhibit a condition where the brake, ABS, and/or TRAC warning light(s) are on and/or a
Check VSC message displays. Diagnostic Trouble Codes (DTCs) C1391, C1252, C1256, and
C1253 may be stored. This condition may be caused by a small internal brake fluid leak inside
the brake booster assembly with master cylinder. Follow the Repair Procedure in this bulletin to
address this condition.
© 2019 Toyota Motor Sales, USA
Page 1 of 4
T-SB-0024-19
March 6, 2019
Page 2 of 4
ABS Brake Warning Light On
Warranty Information
MODEL YEAR
MODEL
2011
OP CODE
TIME
OFP
Prius
5.2
47050-47140
47050-47150
47070-47060
Prius
5.2
47050-47180
47050-47190
47070-47060
5.2
47050-47210
47070-47060
Prius
5.2
47050-47310
47050-47320
47070-47060
Prius
PHV
5.2
47050-47340
47070-47060
2012 – 2013
Prius
PHV
BR1804
DESCRIPTION
R & R Brake Booster Assembly
With Master Cylinder
and
R & R Brake Booster
Pump Assembly
2014 – 2015
T1
T2
8A
99
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.
Parts Information
MODEL YEAR
MODEL
2011
2012 – 2013
2014 – 2015
Prius
PART NUMBER
PART NAME
QTY
04008-11147
04008-11247
Brake Booster Assy W/Master Cylinder
1
47070-47060
04006-22147
Pump Assy, Brake Booster
1
47050-47180
47050-47190
04008-11347
04008-11447
Brake Booster Assy W/Master Cylinder
1
47070-47060
04006-22147
Pump Assy, Brake Booster
1
47050-47310
47050-47320
04008-11547
04008-11647
Brake Booster Assy W/Master Cylinder
1
47070-47060
04006-22147
Pump Assy, Brake Booster
1
PREVIOUS
NEW
47050-47140
47050-47150
© 2019 Toyota Motor Sales, USA
T-SB-0024-19
March 6, 2019
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ABS Brake Warning Light On
Parts Information (continued)
PART NUMBER
MODEL
MODEL YEAR
2012 – 2013
Prius PHV
2014 – 2015
PART NAME
QTY
04008-11747
Brake Booster Assy W/Master Cylinder
1
47070-47060
04006-22147
Pump Assy, Brake Booster
1
47050-47340
04008-11847
Brake Booster Assy W/Master Cylinder
1
47070-47060
04006-22147
Pump Assy, Brake Booster
1
PREVIOUS
NEW
47050-47210
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*
PART NUMBER
QTY
TS2UNIT
Techstream Lite
ADE
Techstream Lite (Green Cable)
TSLITEPDLR01
1
TSLP2DLR01
*Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 13.30.018 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
REQUIRED TOOLS & MATERIAL
FLUID TYPE
QTY
Brake Fluid
DOT3 Brake Fluid
1 – 2 liters
Repair Procedure
1. Confirm the condition exists.
Are the brake, ABS, and/or TRAC warning light(s) ON and/or does a Check VSC
message display?
 YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2019 Toyota Motor Sales, USA
T-SB-0024-19
March 6, 2019
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ABS Brake Warning Light On
Repair Procedure (continued)
2. Using Techstream, check for DTCs. Record ANY stored DTCs.
Are ANY of the following DTCs stored: C1391, C1252, C1256, or C1253?

YES — Continue to step 3.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
3. Remove the brake booster assembly with master cylinder.
Refer to TIS, applicable model and model year Repair Manual:

2011 / 2012 / 2013 / 2014 / 2015 Prius:
Brake – Brake System – “Brake System (Other): Brake Booster: Removal”

2012 / 2013 / 2014 / 2015 Prius PHV:
Brake – Brake System – “Brake System (Other): Brake Booster: Removal”
4. Remove the brake booster pump assembly.
Refer to TIS, applicable model and model year Repair Manual:

2011 / 2012 / 2013 / 2014 / 2015 Prius:
Brake – Brake System – “Brake System (Other): Brake Booster Pump: Removal”

2012 / 2013 / 2014 / 2015 Prius PHV:
Brake – Brake System – “Brake System (Other): Brake Booster Pump: Removal”
5. Install the NEW brake booster assembly with master cylinder.
Refer to TIS, applicable model and model year Repair Manual:

2011 / 2012 / 2013 / 2014 / 2015 Prius:
Brake – Brake System – “Brake System (Other): Brake Booster: Installation”

2012 / 2013 / 2014 / 2015 Prius PHV:
Brake – Brake System – “Brake System (Other): Brake Booster: Installation”
6. Install the NEW brake booster pump assembly.
Refer to TIS, applicable model and model year Repair Manual:

2011 / 2012 / 2013 / 2014 / 2015 Prius:
Brake – Brake System – “Brake System (Other): Brake Booster Pump: Installation”

2012 / 2013 / 2014 / 2015 Prius PHV:
Brake – Brake System – “Brake System (Other): Brake Booster Pump: Installation”
7. Test-drive the vehicle to confirm the repair.
© 2019 Toyota Motor Sales, USA