NHTSA ID Number: 10075795
Manufacturer Communication Number: T-SB-0058-13
TSB/Document Date: 2016-07-07
Summary
SUMMARY TO BE PROVIDED ON A FUTURE DATE.
®TOYOTA
Rev1
T-SB-0058-13
Technical Service Bulletin
April 26, 2013
Flex Fuel Extended Crank due to Alcohol Density
Calculation
Service
Category
Engine/Hybrid System
Section
Engine Control
Market
Toyota Supports ~
ASE Certification
W
USA
Applicability
YEAR(S)
MODEL(S)
2012 - 2013
Sequoia
2012 - 2013
Tundra
ADDITIONAL INFORMATION
REVISION NOTICE
June 6, 2013 Rev1:
• Warranty Information and Repair Procedure sections have been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2012-2013 model year Sequoia and Tundra vehicles with the 3UR-FBE engine may exhibit a
MIL "ON" condition with Diagnostic Trouble Codes (DTCs) P0171/P0174 (System too Lean Bank 11
Bank 2), P0172/P0175 (System too Rich Bank 1/Bank 2), P1604 (Startability Malfunction) , and/or
P1605 (Rough Idling) after attempting to start the engine. Alcohol Density Estimate values may be
high even though the vehicle was fueled with regular fuel (EO/E 10). The Engine Control Module/ECM
(SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this
condition occurring. Use the following repair procedure to reprogram the ECM (PCM).
Warranty Information
OP CODE
EG1308*
DESCRIPTION
TIME
Reprogram ECM
(PCM) Engine, Reset
Values, and Add Fuel
0.7
MODEL
Sequoia
ENGINE
TOWING
OPTION
OFP
Standard
89661-0CN20
89661-0CN21
89661-0CN22
89661-0CN23
Tow
89661-0CN30
89661-0CN31
89661-0CN32
89661-0CN33
3UR-FBE
© 2013 Toyota Motor Sales, USA
T1
T2
8A
99
Page 1 of 8
T-SB-0058-13
Rev1
April 26, 2013
Page 2 of 8
Flex Fuel Extended Crank due to Alcohol Density Calculation
Warranty Information (Continued)
OP CODE
EG1308*
DESCRIPTION
TIME
Reprogram ECM
(PCM) Engine, Reset
Values , and Add Fuel
0.7
MODEL
Tundra
ENGINE
TOWING
OPTION
OFP
Standard
89661-0CM60
89661-0CM61
89661-0CM62
89661-0CM63
Tow
89661-0CM?O
89661-0CM71
89661-0CM72
89661 -0CM73
3UR-FBE
T1
T2
8A
99
* A maximum of $15.00 (3 gallons of fuel) will be allowed under Sublet type "GA".
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.
Calibration Information
MODEL
ENGINE
DRIVETRAIN
TOWING
OPTION
PREVIOUS
NEW
Standard
30CK5000
30CK5100
30CK5200
30CK5300
30CK5400
Tow
30CK6000
30CK6100
30CK6200
30CK6300
30CK6400
Standard
30CJ9000
30CJ9100
30CJ9200
30CJ9300
30CJ9400
Tow
30CKOOOO
30CK0100
30CK0200
30CK0300
30CK0400
Sequoia
3UR-FBE
CALIBRATION ID
4WD
Tundra
© 2013 Toyota Motor Sales, USA
@ TOYOTA
Rev1
T-SB-0058-13
April 26, 2013
Page 3 of 8
Flex Fuel Extended Crank due to Alcohol Density Calculation
Parts Information
MODEL
ENGINE
TOWING
OPTION
PART NUMBER
PART NAME
PREVIOUS
NEW
Standard
89661-0CN20
89661-0CN21
89661-0CN22
89661-0CN23
89661-0CN24
Tow
89661-0CN30
89661-0CN31
89661-0CN32
89661-0CN33
89661-0CN34
Standard
89661-0CM60
89661-0CM61
89661-0CM62
89661-0CM63
89661-0CM64
Tow
89661-0CM?O
89661-0CM71
89661-0CM72
89661-0CM73
89661-0CM?4
Sequoia
3UR-FBE
Tundra
QTY
-
Computer,
Engine Control
(ECM/PCM)
-
-
PART NUMBER
PART NAME
QTY
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.
© 2013 Toyota Motor Sales, USA
T-SB-0058-13
Rev1
April 26, 2013
Page 4 of 8
Flex Fuel Extended Crank due to Alcohol Density Calculation
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream 2.0*
TIS Techstream
PART NUMBER
QTY
TS2UNIT
ADE
Techstream Lite
TSPKG1
1
TSLITEDLR01
SPECIAL SERVICE TOOLS (SST)
PART NUMBER
QTY
GR8 Battery Diagnostic Station*
00002-MCGR8
1
NOTE
• Only ONE of the Techstream units listed above is required.
• Software version 8.10.021 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer
Equipment (ADE) at 1-800-368-6787.
• Additional SSTs may be ordered by calling 1-800-933-8335.
• 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.
* Essential SST.
© 2013 Toyota Motor Sales, USA
T-SB-0058-13
Rev1
April 26, 2013
Page 5 of 8
Flex Fuel Extended Crank due to Alcohol Density Calculation
Repair Procedure
1. Confirm the difficult-to-start condition .
. 2. Using Techstream, confirm one or more of the following DTCs is present:
• P1604: Startability Malfunction
• P1605: Rough Idling
• PO 171 : System Too Lean (Bank 1)
• P0172: System Too Rich (Bank 1)
• P0174: System Too Lean (Bank 2)
• P0175: System Too Rich (Bank 2)
3. If any of the DTCs listed above is present, confirm the Alcohol Density Estimate and fuel trim
values.
Is the Alcohol Density Estimate value 15% or greater and are the fuel trim values negative?
• YES • NO -
Reprogram the ECM (PCM). Go to step 4.
This bulletin does NOT apply. Continue diagnosis using the applicable Repair Manual.
© 2013 Toyota Motor Sales, USA
T-SB-0058-13
Rev1
April 26, 2013
Page 6 of 8
Flex Fuel Extended Crank due to Alcohol Density Calculation
Repair Procedure (Continued)
4. Check for the Authorized Modifications Label affixed to the vehicle in the location shown in
Figure 1. Confirm if the ECM (PCM) calibration has been updated. If the calibration ID listed is
NOT the latest ECM (PCM) calibration - go to step 5.
Figure 1. Location of Authorized Modifications Label on 2012 - 2013 Sequoia and Tundra
=
THE FOLLOWING MODIFICATIONS HAVE BEEN MADE:
THESE MODIFICATIONS HAVE BEEN APPROVED
AS APPROPRIATE BY EPA AND CARB
DATE:
CHANGE AUTHORITY:
1
Replacement ECM (PCM) Part Number (i.e.,
89661-0CN24)
2
New Calibration ID(s) (i.e., 30CK5400)
3
Dealer Code
5
4
Date Completed
5
This SB Number
© 2013 Toyota Motor Sales, USA
· T-SB-0058-13
Rev1
April 26, 2013
Page 7 of 8
Flex Fuel Extended Crank due to Alcohol Density Calculation
Repair Procedure (Continued)
5. 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.
6. 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 SB 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.
7. Disconnect the negative (-)terminal of the battery for 10 minutes. Reconnect battery.
8. Using Techstream, confirm the A/F Learn Values are at 0%.
9. Using Techstream Utility, perform Fuel Density Learning Value Reset.
A. Turn the ignition switch to ON.
B. Enter the following menus:
Powertrain I Engine and ECT I Utility I Fuel Density Learning Value Reset
C. Check that the following conditions are met:
• Ignition switch: ON
• Engine: stopped
• Battery voltage: 9 V or higher
© 2013 Toyota Motor Sales, USA
T-SB-0058-13
Rev1
April 26, 2013
Flex Fuel Extended Crank due to Alcohol Density Calculation
Repair Procedure (Continued)
D. Press Next.
HINT
When Next is pressed, initialization is performed automatically.
E. Press Exit.
10. Turn ignition switch OFF.
11. Add 3 gallons of fuel to the vehicle.
12. Using Techstream, confirm the Alcohol Density Learning is Incomplete.
13. Test drive the vehicle to confirm proper vehicle operation.
© 2013 Toyota Motor Sales, USA
I --
Page 8 of 8
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TSB/Document ID: T-SB-0058-13
Replacement Service Bulletin Number:
MFR Communication Date: 2013-04-26
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
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