T-SB-0071-16

T-SB-0071-16
July 6, 2016
MIL "ON" DTC P2610
Service
Category
Engine/Hybrid System
Section
Engine Control
Market USA
Applicability
YEAR(S)
MODEL(S)
2014 - 2015
Prius PHV
2014 - 2015
Prius
ADDITIONAL INFORMATION
Introduction
Some 2014 – 2015 Prius and Prius PHV vehicles may exhibit a MIL “ON” condition with
Diagnostic Trouble Code (DTC) P2610, indicating an ECM/PCM Engine OFF Timer Performance
condition. The Engine Control Module (ECM) logic has been modified to reduce the possibility of
this condition. Please follow the Repair Procedure below to address this condition.
Warranty Information
OP CODE
EG1611
DESCRIPTION
Reprogram ECM (PCM)
TIME
MODEL
OFP
Prius PHV
89660-47740
Prius
89660-47750
89660-47751
0.4
T1
T2
8A
99
APPLICABLE WARRANTY
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.
*For California specification Prius and Prius PHV sold, registered, and operated in California,
Connecticut (starting with 05MY), Delaware (starting with 14MY), Maine, Maryland (starting
with 11MY), Massachusetts, New Jersey (starting with 05MY), New York, Oregon (starting with
08MY), Pennsylvania (starting with 08MY), Rhode Island (starting with 05MY), Vermont and
Washington (starting with 09MY), this warranty is in effect for 180 months or 150,000 miles
from the vehicle's in-service date, whichever occurs first.
© 2016 Toyota Motor Sales, USA
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MIL "ON" DTC P2610
Parts Information
PART NUMBER
MODEL
PART NAME
PREVIOUS
NEW
Prius PHV
89660-47740
89660-47741
Prius
89660-47750
89660-47751
89660-47752
–
QTY
–
Computer, Engine Control (ECM)
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.
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
PART NUMBER
Techstream 2.0*
Techstream Lite
QTY
TS2UNIT
ADE
Techstream Lite (Green Cable)
TSLITEPDLR01
1
TSLP2DLR01
NOTE
Only ONE of the Techstream units listed above is required.
Software version 11.10.034 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.
© 2016 Toyota Motor Sales, USA
T-SB-0071-16
July 6, 2016
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MIL "ON" DTC P2610
Calibration Information
CALIBRATION ID
MODEL
PREVIOUS
NEW
Prius PHV
34755000
34755100
Prius
34754000
34754100
34754200
Repair Procedure
1. Using Techstream, check for stored DTCs. Confirm the following DTC is present:
P2610 – ECM/PCM Engine Off Timer Performance
2.
© 2016 Toyota Motor Sales, USA
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July 6, 2016
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MIL "ON" DTC P2610
Repair Procedure (Continued)
2. Check for the Authorized Modifications Label affixed to the vehicle in the location shown
below. Confirm if the ECM (PCM) calibration has been updated.
Is the calibration ID listed the latest ECM (PCM) calibration?

YES — Continue to step 3.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable Repair
Manual.
Figure 1. Location of Authorized Modification Label for 2014 – 2015 Prius and Prius PHV
1
Replacement ECM (PCM) Part Number
(i.e., 89660-47741 or 89660-47752 etc.)
4
Date Completed
2
New Calibration ID (i.e., 34755100 or 34754200)
5
This SB Number
3
Dealer Code
© 2016 Toyota Motor Sales, USA
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MIL "ON" DTC P2610
Repair Procedure (Continued)
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 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.
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.
The Authorized Modifications Label is available through the MDC, P/N 00451-00001-LBL.
5. Test drive the vehicle to confirm proper vehicle operation.
© 2016 Toyota Motor Sales, USA