T-SB-0156-19 Rev

T-SB-0156-19
Rev1
November 7, 2019
MIL ON With DTC P0300 and/or Cold Start Misfire
Service
Category
Engine/Hybrid System
Section
Engine Control
Market USA
Applicability
YEAR(S)
MODEL(S)
2017 - 2020
86
ADDITIONAL INFORMATION
REVISION NOTICE
July 09, 2020 Rev1:
 The Repair Procedure has been updated.
Any previous printed versions of this bulletin should be discarded.
Introduction
Some 2017 – 2020 model year 86 vehicles with automatic transmissions may exhibit one or both
of the following conditions:

MIL ON condition with Diagnostic Trouble Code (DTC) P0300.

Rough idle at cold start noticeable when engine coolant temperature is around 50°F (10°C).
Follow the Repair Procedure in this bulletin to address this condition.
Production Change Information
This bulletin applies to vehicles produced BEFORE the Production Change Effective VIN
shown below.
MODEL
DRIVETRAIN
ENGINE
PRODUCTION CHANGE EFFECTIVE VIN
86
ATM
FA20
JF1ZNAE1#L8751145
© 2020 Toyota Motor Sales, USA
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MIL ON With DTC P0300 and/or Cold Start Misfire
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EG1913
Engine ECU Reprogramming
0.7
SU003-07935
8A*
74
*Based on the condition in the description.
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.
Parts Information
PART NUMBER
PREVIOUS
NEW
22765AK040
22765AK041
22765AM110
22765AM111
22765AN220
22765AN221
22765AP180
22765AP181
00451-00001-LBL
PART NAME
QTY
Computer, Engine Control (ECM/PCM)
–
Authorized Modifications 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.
© 2020 Toyota Motor Sales, USA
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MIL ON With DTC P0300 and/or Cold Start Misfire
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVi*
QTY
TSADVUNIT
Techstream 2.0
Techstream Lite
PART NUMBER
TS2UNIT
ADE
Techstream Lite (Green Cable)
1
TSLITEPDLR01
TSLP2DLR01
*Essential SST.
NOTE
 Only ONE of the Techstream units listed above is required.
 Software version 15.00.028 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.
© 2020 Toyota Motor Sales, USA
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MIL ON With DTC P0300 and/or Cold Start Misfire
Calibration Information
CALIBRATION ID
MODEL
ENGINE
PREVIOUS
NEW
ZA1JK00D
ZA1JK01D
ZA1JN00D
ZA1JN11D
86
FA20
ZA1JN10D
ZA1JS00D
ZA1JS01D
ZA1JV00D00G
ZA1JV01D00G
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit one or both of the following conditions?

MIL ON condition with Diagnostic Trouble Code (DTC) P0300.

Rough idle at cold start noticeable when engine coolant temperature is
around 50°F (10°C).

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2020 Toyota Motor Sales, USA
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MIL ON With DTC P0300 and/or Cold Start Misfire
Repair Procedure (continued)
Check for the Authorized Modifications Label affixed to the vehicle in the location shown
below. Confirm if the Engine ECU calibration has been updated.
Is the calibration ID listed the latest Engine ECU 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 2017 – 2020 86
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., 22765AK041)
4
Date Completed
2
New Calibration ID (e.g., ZA1JK01D)
5
This SB Number
3
Dealer Code
© 2020 Toyota Motor Sales, USA
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MIL ON With DTC P0300 and/or Cold Start Misfire
Repair Procedure (continued)
Flash reprogram the Engine ECU.
NOTE
 The battery diagnostic tool MUST be used in Power Supply mode to maintain battery voltage at
13.0 – 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 Service Bulletin T-SB-0134-16 Techstream ECU Flash
Reprogramming Procedure and flash the Engine ECU with the NEW calibration file update.
Prepare and install the Authorized Modifications Label.
A. Using a permanent marker, enter the following information on the label:
 Engine ECU 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.
If possible, test-drive the vehicle from cold start at 50°F (10°C) to confirm the condition is no
longer present.
© 2020 Toyota Motor Sales, USA