T-SB-0148-19

T-SB-0148-19
October 22, 2019
MIL ON with Misfire DTC(s) P0301, P0302, P0303, P0304,
P0305, and/or P0306
Service
Category
Vehicle Interior
Section
Meter/Gauge/Display
Market USA
Applicability
YEAR(S)
MODEL(S)
ADDITIONAL INFORMATION
2017 - 2019
Highlander HV
Introduction
Some 2017 – 2019 model year Highlander HV vehicles may exhibit a MIL ON condition with one or more of
the following Diagnostic Trouble Codes (DTCs):

P0301 – Cylinder 1 Misfire Detected

P0302 – Cylinder 2 Misfire Detected

P0303 – Cylinder 3 Misfire Detected

P0304 – Cylinder 4 Misfire Detected

P0305 – Cylinder 5 Misfire Detected

P0306 – Cylinder 6 Misfire Detected
Follow the Repair Procedure in this bulletin to address this condition.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EG1914
Engine ECM Reprogramming
and
R & R Ignition Coil
3.1
89661-#####
8A
74
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.
© 2019 Toyota Motor Sales, USA
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T-SB-0148-19
October 22, 2019
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MIL ON with Misfire DTC(s) P0301, P0302, P0303, P0304, P0305, and/or P0306
Parts Information
PART NUMBER
PART NAME
QTY
90919-02280
Coil Assy, Ignition
1
89661-#####
Computer, Engine Control
–
00451-00001-LBL
Authorized Modification Labels
1
PREVIOUS
NEW
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 14.20.019 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.
© 2019 Toyota Motor Sales, USA
T-SB-0148-19
October 22, 2019
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MIL ON with Misfire DTC(s) P0301, P0302, P0303, P0304, P0305, and/or P0306
Calibration Information
CALIBRATION ID
YEAR
2017 – 2018
MODEL
ENGINE
Highlander HV
2019
2GR-FXS
PREVIOUS
NEW
30E40000
30E40100
30E40200
30EA2000
30EA2100
Repair Procedure
1. Does the vehicle exhibit a MIL ON condition with ANY of the DTCs in the
introduction present?

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual
2. Diagnose the misfire DTC(s).
Refer to TIS, applicable model and model year Repair Manual:

2017 – 2018 Highlander HV:
Engine/Hybrid System – 2GR-FXS – SFI System:
“2GR-FXS (Engine Control) SFI System: P0300-P0306; Random / Multiple Cylinder
Misfire Detected”

2019 Highlander HV:
Engine/Hybrid System – 2GR-FXS – SFI System:
“2GR-FXS (Engine Control) SFI System: P0300-P0306; Random / Multiple Cylinder
Misfire Detected”
Does the diagnosis indicate a malfunctioning ignition coil?
 YES — Continue to step 3.
 NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2019 Toyota Motor Sales, USA
T-SB-0148-19
October 22, 2019
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MIL ON with Misfire DTC(s) P0301, P0302, P0303, P0304, P0305, and/or P0306
Repair Procedure (continued)
3. Perform a Techstream Health Check, and check for the Authorized Modifications Label
affixed to the vehicle in the applicable locations shown below.
Is the calibration ID listed the latest ECM (PCM) calibration?

YES — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.

NO — Continue to step 4.
Figure 1. Location of Authorized Modifications Label for 2017 – 2019 Highlander 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:
DATE:
4
5
1
Replacement ECM (PCM) Part Number
(e.g., 89661-#####)
4
Date Completed
2
NEW Calibration ID(s) (e.g., 30E40200)
5
This SB Number
3
Dealer Code
© 2019 Toyota Motor Sales, USA
T-SB-0148-19
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MIL ON with Misfire DTC(s) P0301, P0302, P0303, P0304, P0305, and/or P0306
Repair Procedure (continued)
4. 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 on the Technical Information System
TIS – Diagnostics – Tools & Equipment – Battery Diagnostics.
Follow the procedures outlined in Service Bulletin No. T-SB-0134-16 Techstream ECU Flash
Reprogramming Procedure, and flash the ECM (PCM) with the NEW calibration file update.
5. Prepare and 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.
6. Replace the ignition coil.
A. Remove the subject ignition coil.
Refer to TIS, applicable model and model year Repair Manual:

2017 – 2019 Highlander HV:
Engine/Hybrid System – Ignition Coil and Spark Plug –
“2GR-FXS (Engine Control): Ignition Coil and Spark Plug: Removal”
B. Install the NEW ignition coil.
Refer to TIS, applicable model and model year Repair Manual:

2017 – 2019 Highlander HV:
Engine/Hybrid System – Ignition Coil and Spark Plug –
“2GR-FXS (Engine Control): Ignition Coil and Spark Plug: Installation”
7. Start the engine and test-drive the vehicle to confirm proper operation.
© 2019 Toyota Motor Sales, USA