T-SB-0046-23

T-SB-0046-23
July 21, 2023
MIL On With DTC(s) P060649 and/or P060647
Service
Category
Vehicle Interior
Section
Meter/Gauge/Display
Market USA
Applicability
YEAR(S)
MODEL(S)
2023
Sequoia HV
2022 - 2023
Tundra HV
ADDITIONAL INFORMATION
Introduction
Some 2022 – 2023 model year Tundra Hybrid and 2023 model year Sequoia Hybrid vehicles may
exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes
(DTCs) present:

P060649 – Control Module Processor Unexpected Operation

P060647 – Control Module Processor Watchdog/Safety MCU Failure
The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been
modified to address this condition. Follow the Repair Procedure in this bulletin to address this
condition.
© 2023 Toyota Motor Sales, USA
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MIL On With DTC(s) P060649 and/or P060647
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VINs
shown below.
MODEL
DRIVETRAIN
PRODUCTION CHANGE EFFECTIVE VIN
5TFJC5AB#PX002443
5TFMC5AB#PX002443
5TFNC5AB#PX002443
2WD
5TFJC5BC#PX002443
5TFMC5BC#PX002443
5TFNC5BC#PX002443
5TFJC5DB#PX026913
Tundra HV
5TFPC5DB#PX026913
5TFVC5DB#PX026913
5TFMC5DB#PX026913
4WD
5TFNC5DB#PX026913
5TFJC5EC#PX026913
5TFNC5EC#PX026913
5TFMC5EC#PX026913
2WD
7SVAAAAA#PX001901
4WD
7SVAAABA#PX011517
Sequoia HV
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
800269
Reprogram the ECM (PCM)
0.7
89661-0C###*
8A
74
*Warranty claim MUST be submitted with the correct 10-digit OFP. Choose the correct OFP for the vehicle being repaired
by searching for the parts in the Electronic Parts Catalog using the VIN filter.
APPLICABLE WARRANTY
 This repair is covered under the Toyota Federal Emissions 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.
© 2023 Toyota Motor Sales, USA
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July 21, 2023
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MIL On With DTC(s) P060649 and/or P060647
Parts Information
MODEL
DRIVETRAIN
PART NUMBER
2WD
896610CU71
896610CU70
4WD
896610CU81
896610CU80
2WD
896610CV00
4WD
896610CV10
PART NAME
QTY
Computer, Engine Control (ECM/PCM)
–
Authorized Modification Labels
1
Tundra HV
Sequoia HV
ALL
00451-00001-LBL
NOTE
 The ECM (PCM) should NOT be replaced as part of the Repair Procedure.
 Authorized Modifications Labels may be ordered in packages of 25 from the Materials Distribution
Center (MDC) (portal.toyotamdc.com) under item No. 00451-00001-LBL.
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVI*
PART NUMBER
QTY
TSADVUNIT
Techstream 2.0
TS2UNIT
ADE
1
Techstream Lite
TSLITEPDLR01
Techstream Lite (Green Cable)
TSLP2DLR01
*Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 GTS+ software version 2022.04.004.02 or later is required.
 Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787.
 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
Battery Diagnostic Tool*
DCA-8000P_T
1
*Essential SST.
NOTE
Additional SSTs may be ordered by calling 1-800-933-8335.
© 2023 Toyota Motor Sales, USA
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MIL On With DTC(s) P060649 and/or P060647
Calibration Information
CALIBRATION ID
MODEL
ENGINE
DRIVETRAIN
2WD
Tundra HV
GRADE
PREVIOUS
NEW
All Except
TRD Pro
896630CS1101
896630CS1001
896630CS1201
TRD Pro
896630CS2100
896630CS2000
896630CS2200
Other
896630CS2101
896630CS2001
896630CS2201
All Except
TRD Pro
896630CS4001
896630CS4101
TRD Pro
896630CS5000
896630CS5100
Other
896630CS5001
896630CS5101
4WD
V35A-FTS
2WD
Sequoia HV
4WD
Repair Procedure
1. Using Techstream, check for stored DTCs.
Are one or both of the following DTCs present?

P060649 – Control Module Processor Unexpected Operation

P060647 – Control Module Processor Watchdog/Safety MCU Failure

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
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MIL On With DTC(s) P060649 and/or P060647
Repair Procedure (continued)
2. Use Techstream to confirm if the ECM (PCM) calibration has been updated and check for the
Authorized Modifications Label affixed to the vehicle in the location shown below.
Is the calibration ID listed in Techstream and on the label the latest ECM (PCM) calibration?

YES — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.

NO — Continue to step 3.
Figure 1. Location of Authorized Modifications Label on 2022 – 2023 Tundra HV and 2023 Sequoia HV
TOYOTA MOTOR CORPORATION
AUTHORIZED MODIFICATIONS
THE FOLLOWING MODIFICATIONS HAVE BEEN MADE:
1
2
THESE MODIFICATIONS HAVE BEEN APPROVED
AS APPROPRIATE BY EPA AND CARB
3
DEALER CODE:
CHANGE AUTHORITY:
4
DATE:
5
1
Replacement Skid Control Computer Part
Number e.g., 896610CU71
4
Date Completed
2
New Calibration ID e.g., 896630CS1200
5
This SB Number
3
Dealer Code
© 2023 Toyota Motor Sales, USA
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MIL On With DTC(s) P060649 and/or P060647
Repair Procedure (continued)
3. Flash reprogram the ECM (PCM).
NOTE
 The battery diagnostic tool MUST be used in Power Supply Mode to maintain battery voltage
at 13.5V while flash reprogramming the vehicle.
 For details on how to use the battery diagnostic station, refer to the DCA-8000 Instruction
Manual located at TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in T-SB-0107-20 ECU Flash Reprogramming With Security
Signature, and flash the ECM (PCM) with the NEW calibration file update.
4. Prepare and install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label:

ECM (PCM) 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. Install the Authorized Modifications Label onto 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 operation.
© 2023 Toyota Motor Sales, USA