T-SB-0011-22

T-SB-0011-22
March 2, 2022
MIL ON With DTC P059A71
Service
Category
Vehicle Exterior
Section
Exterior Panels/Trim
Market USA
Applicability
YEAR(S)
MODEL(S)
2022
Tundra
ADDITIONAL INFORMATION
Introduction
Some 2022 model year Tundra vehicles may exhibit a MIL ON condition with the Diagnostic
Trouble Code (DTC) P059A71 (Active Grille Air Shutter “A” Actuator Stuck) present. The Engine
Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to
reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address
this condition.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
800269
Reprogram Engine 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.
© 2022 Toyota Motor Sales, USA
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MIL ON With DTC P059A71
Parts Information
PART NUMBER
PART NAME
QTY
89661-0C###
Computer, Engine Control (ECM/PCM)
–
00451-00001-LBL
Authorized Modification Labels
1
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) through Dealer Daily – Parts – Dealer Support Materials Orders.
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.
 Software version 16.30.011 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.
© 2022 Toyota Motor Sales, USA
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MIL ON With DTC P059A71
Calibration Information
CALIBRATION ID
MODEL
GRADE
DRIVETRAIN
FUEL TANK
PREVIOUS
NEW
Small
896630CR4001 896630CR4101
Large
896630CR6001 896630CR6101
Small
896630CR5001 896630CR5101
Large
896630CR7001 896630CR7101
2WD
Tundra
All Except SR
4WD
Repair Procedure
1. Confirm the condition exists.
Is DTC P059A71 present?

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 P059A71
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 Tundra
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 ECM (PCM) Part Number
(e.g., 89661-0C###)
4
Date Completed
2
New Calibration ID (e.g., 896630CR7101
5
This SB Number
3
Dealer Code
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MIL ON With DTC P059A71
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 tool, refer to the DCA-8000 Instruction Manual
located at TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in T-SB-0134-16, Techstream ECU Flash Reprogramming
Procedure, 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.
© 2022 Toyota Motor Sales, USA