NHTSA ID Number: 10111294
Manufacturer Communication Number: T-SB-0041-15
TSB/Document Date: 2017-08-14
Summary
TSB: Some 2010 - 2013 model year Prius and 2012 - 2013 model year Prius V vehicles may exhibit a MIL "ON" condition with Diagnostic Trouble Code(s) (DTCs) P0A0F (Engine Failed to Start), caused by Purge VSV/PCV line separation from the throttle body housing. One or more of the following DTCs may also set: * P3190 (Poor Engine Power) * P3191 (Engine Does NOT Start) * P0171 (System Too Lean [Bank One]) Replace the Purge VSV (Vacuum Switching Valve Assembly) and reprogram the Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) with the latest calibration to address this condition.
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TSB/Document ID: T-SB-0041-15
Replacement Service Bulletin Number:
MFR Communication Date: 2015-06-30
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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T-SB-0041-15
June 30, 2015
MIL "ON" DTC P0A0F, P3190, P3191, P0171 Due to Purge
VSV Vacuum Line Separation
Service
Category
Engine/Hybrid
System
Section
Engine Control
Market
USA
Applicability
YEAR(S)
MODEL(S)
2012 – 2013
Prius V
2010 – 2013
Prius
ADDITIONAL INFORMATION
SUPERSESSION NOTICE
The information contained in this bulletin supersedes SB No. T-SB-0205-11.
• Applicability has been updated to include 2012 – 2013 model year Prius and Prius V vehicles.
Service Bulletin No. T-SB-0205-11 is Obsolete and any printed versions should be discarded.
Be sure to review the entire content of this bulletin before proceeding.
Introduction
Some 2010 – 2013 model year Prius and 2012 – 2013 model year Prius V vehicles may exhibit a
MIL “ON” condition with Diagnostic Trouble Code(s) (DTCs) P0A0F (Engine Failed to Start), caused
by Purge VSV/PCV line separation from the throttle body housing. One or more of the following
DTCs may also set:
• P3190 (Poor Engine Power)
• P3191 (Engine Does NOT Start)
• P0171 (System Too Lean [Bank One])
Replace the Purge VSV (Vacuum Switching Valve Assembly) and reprogram the Engine Control
Module/ECM (SAE term: Powertrain Control Module/PCM) with the latest calibration to address
this condition.
© 2015 Toyota Motor Sales, USA
Page 1 of 8
June 30, 2015
T-SB-0041-15
Page 2 of 8
MIL "ON" DTC P0A0F, P3190, P3191, P0171 Due to Purge VSV Vacuum Line
Separation
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
PLANT
MODEL
Prius
Tsutsumi
PRODUCTION CHANGE EFFECTIVE VIN
Line 1
JTDKN3DU#D0348509
Line 2
JTDKN3DU#D1669248
Toyota Auto Body
JTDKN3DU#D5620883
Tsutsumi
JTDZN3EU#D3278998
Prius V
Warranty Information
OP CODE
EG1300
DESCRIPTION
Replace Purge VSV and
Reprogram ECM (PCM) Engine
TIME
MODEL
MODEL YEAR
OFP
2010
89660-47300
89660-47301
89660-47302
2011
89660-47430
89660-47431
2012 – 2013
89660-47510
2012 – 2013
89660-47400
89660-47401
Prius
0.8
Prius V
T1
T2
8C
74
APPLICABLE WARRANTY
• For California specification Prius vehicles sold, registered, and operated in the following states:
• California, Connecticut, Maine, Massachusetts, New Jersey, New York, Oregon, Rhode
Island, or Vermont: starting with 2010 MY.
• New Mexico: 2010 – 2011 MY only.
• Maryland: starting with 2011 MY.
• Arizona: 2012 MY only.
This repair is covered under the California Emission Warranty. This warranty is in effect for
180 months or 150,000 miles, whichever occurs first, from the vehicle’s in-service date.
• For Prius vehicles sold, registered, and operated in states other than those listed above,
and for Prius V vehicles, this repair is covered under the Toyota Federal Emission Warranty.
This warranty is in effect for 96 months or 80,000 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.
© 2015 Toyota Motor Sales, USA
June 30, 2015
T-SB-0041-15
Page 3 of 8
MIL "ON" DTC P0A0F, P3190, P3191, P0171 Due to Purge VSV Vacuum Line
Separation
Calibration Information
CALIBRATION ID
MODEL
MODEL YEAR
ENGINE
VDS
PREVIOUS
NEW
34715000
34715100
34715200
34715300
34715400
34728000
34728100
34728200
2012 – 2013
34734000
34734100
2012 – 2013
34725000
34725100
34725200
2010
Prius
2011
Prius V
2ZR-FXE
KN3DU
ZN3EU
Parts Information
PART NUMBER
MODEL
PART NAME
MODEL YEAR
QTY
PREVIOUS
NEW
2010
89660-47300
89660-47301
89660-47302
89660-47303
2011
89660-47430
89660-47431
89660-47432
2012 – 2013
89660-47510
89660-47511
–
Prius V
2012 – 2013
89660-47400
89660-47401
89660-47402
–
ALL
ALL
Prius
–
Computer, Engine Control
(ECM/PCM)
–
25860-37020
Valve Assy, Vacuum Switching
1
00451-00001-LBL
Authorized Modification Labels
1
NOTE
• The ECM (PCM) should NOT be replaced as part of the Repair Procedure.
• Authorized Modification Labels may be ordered in packages of 25 from the Materials
Distribution Center (MDC) through Dealer Daily – Dealer Support Materials Orders.
© 2015 Toyota Motor Sales, USA
June 30, 2015
T-SB-0041-15
Page 4 of 8
MIL "ON" DTC P0A0F, P3190, P3191, P0171 Due to Purge VSV Vacuum Line
Separation
Required Tools & Equipment
REQUIRED EQUIPMENT
Techstream 2.0*
Techstream Lite
SUPPLIER
PART NUMBER
QTY
TS2UNIT
ADE
1
TSLITEPDLR01
NOTE
• Only ONE of the Techstream units listed above is required.
• Software version 10.00.029 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
• The Diagnostic Tester is NOT recommended for flash reprogramming.
Please use Techstream or an approved J2534 interface to perform flash
reprogramming updates. Visit techinfo.toyota.com for more information
regarding J2534 reprogramming.
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
GR8 Battery Diagnostic Station*
00002-MCGR8
1
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
* Essential SST.
© 2015 Toyota Motor Sales, USA
T-SB-0041-15
June 30, 2015
Page 5 of 8
MIL "ON" DTC P0A0F, P3190, P3191, P0171 Due to Purge VSV Vacuum Line
Separation
Repair Procedure
1. Inspect for proper installation of the PCV hose and Purge VSV vacuum line at the throttle body.
Ensure the vacuum line is secured at the Purge VSV.
If all lines are properly seated, this bulletin does NOT apply. Follow normal diagnostic procedures
per the Repair Manual.
Reinstall and secure any unseated lines, replace the Purge VSV, then proceed to step 2.
Refer to the Technical Information System (TIS), applicable model and model year
Repair Manual:
• 2010 Prius:
Engine/Hybrid System – Emission Control – “2ZR-FXE Emission Control: Purge Valve:
Removal / Installation”
• 2011 Prius:
Engine/Hybrid System – Emission Control – “2ZR-FXE Emission Control: Purge Valve:
Removal / Installation”
• 2012 Prius:
Engine/Hybrid System – Emission Control – “2ZR-FXE Emission Control: Purge Valve:
Removal / Installation”
• 2013 Prius:
Engine/Hybrid System – Emission Control – “2ZR-FXE Emission Control: Purge Valve:
Removal / Installation”
• 2012 Prius V:
Engine/Hybrid System – Emission Control – “2ZR-FXE Emission Control: Purge Valve:
Removal / Installation”
• 2013 Prius V:
Engine/Hybrid System – Emission Control – “2ZR-FXE Emission Control: Purge Valve:
Removal / Installation”
© 2015 Toyota Motor Sales, USA
June 30, 2015
T-SB-0041-15
Page 6 of 8
MIL "ON" DTC P0A0F, P3190, P3191, P0171 Due to Purge VSV Vacuum Line
Separation
Repair Procedure (Continued)
2. Check for the Authorized Modifications Label affixed to the vehicle in the location shown in
Figure 1 or 2. Confirm if the ECM (PCM) calibration has been updated. If the calibration ID listed
is NOT the latest ECM (PCM) calibration — go to step 3.
Figure 1. Location of Authorized Modifications Label on 2010 – 2013 Prius
1
Replacement ECM (PCM) Part Number (i.e.,
89660-47303)
2
New Calibration ID(s) (i.e., 34715400)
3
Dealer Code
4
Date Completed
5
This SB Number
© 2015 Toyota Motor Sales, USA
June 30, 2015
T-SB-0041-15
Page 7 of 8
MIL "ON" DTC P0A0F, P3190, P3191, P0171 Due to Purge VSV Vacuum Line
Separation
Repair Procedure (Continued)
Figure 2. Location of Authorized Modifications Label on 2012 – 2013 Prius V
1
Replacement ECM (PCM) Part Number (i.e.,
89660-47403)
2
New Calibration ID(s) (i.e., 34725200)
3
Dealer Code
4
Date Completed
5
This SB Number
3. Flash reprogram the ECM (PCM).
NOTE
• The GR8 Battery Diagnostic Station MUST be used in Power Supply Mode to maintain
battery voltage at 13.5 volts while flash reprogramming the vehicle.
• For details on how to use the GR8 Battery Diagnostic Station, refer to the
GR8 Instruction Manual located on the Technical Information System (TIS),
Diagnostics – Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in Service Bulletin No. T-SB-0012-13, “Techstream ECU Flash
Reprogramming Procedure,” and flash the ECM (PCM) with the NEW calibration file update.
© 2015 Toyota Motor Sales, USA
June 30, 2015
T-SB-0041-15
Page 8 of 8
MIL "ON" DTC P0A0F, P3190, P3191, P0171 Due to Purge VSV Vacuum Line
Separation
Repair Procedure (Continued)
4. Install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label:
• ECM part number [Refer to the Parts Information section for the NEW PART NUMBER]
• Calibration ID(s) [Refer to the Calibration Information section for the NEW
CALIBRATION ID]
• Dealer Code
• Repair Date
• Change Authority [This bulletin number]
B. Affix the Authorized Modifications Label to the vehicle at the location shown in Figure 1 or 2.
The Authorized Modifications Label is available through the MDC, P/N 00451-00001-LBL.
5. Test drive the vehicle to confirm proper vehicle operation.
© 2015 Toyota Motor Sales, USA
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