NHTSA ID Number: 11020670
Manufacturer Communication Number: T-SB-0010-24 Rev2
TSB/Document Date: 2025-07-10
Summary
Some 2021 – 2022 model year Avalon, 2018 – 2024 Camry, 2019 – 2025 model year Corolla, 2022 – 2025 model year Corolla Cross, and 2019 – 2025 model year RAV4 vehicles with A25A-FKS and M20A-FKS engines may have a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) upon cold soak start up with engine coolant temperatures between 14°F – 41°F: •P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change Above Threshold •P030000 – Random/Multiple Cylinder Misfire Detected •P030100 – Cylinder 1 Misfire Detected •P030200 – Cylinder 2 Misfire Detected •P030300 – Cylinder 3 Misfire Detected •P030400 – Cylinder 4 Misfire Detected
T-SB-0010-24
Rev2
February 21, 2024
MIL ON With Misfire DTC(s) in Cold Temperatures
Service
Category
Vehicle Interior
Section
Meter/Gauge/Display
Market USA
Applicability
YEAR(S)
MODEL(S)
2021 - 2022
Avalon
2018 - 2024
Camry
2022 - 2025
Corolla Cross
2019 - 2025
Corolla
2019 - 2025
RAV4
ADDITIONAL INFORMATION
REVISION NOTICE
June 25, 2025 Rev2:
• The Parts Information and Required Tools & Equipment sections have been updated.
December 17, 2024 Rev1:
• Applicability has been updated to include 2019 – 2025 model year Corolla,
2022 – 2025 model year Corolla Cross, and 2025 model year RAV4 vehicles.
• The Introduction, Warranty Information, Parts Information, Required Tools & Equipment, and
Repair Procedure sections have been updated.
Any previous printed versions of this bulletin should be discarded.
© 2025 Toyota
Motor Sales, USA
Page 1 of 13
T-SB-0010-24
Rev2
February 21, 2024
Page 2 of 13
MIL ON With Misfire DTC(s) in Cold Temperatures
Introduction
Some 2021 – 2022 model year Avalon, 2018 – 2024 Camry, 2019 – 2025 model year Corolla,
2022 – 2025 model year Corolla Cross, and 2019 – 2025 model year RAV4 vehicles with
A25A-FKS and M20A-FKS engines may have a MIL ON condition with one or more of the
following Diagnostic Trouble Codes (DTCs) upon cold soak start up with engine coolant
temperatures between 14°F – 41°F:
•
P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change
Above Threshold
•
P030000 – Random/Multiple Cylinder Misfire Detected
•
P030100 – Cylinder 1 Misfire Detected
•
P030200 – Cylinder 2 Misfire Detected
•
P030300 – Cylinder 3 Misfire Detected
•
P030400 – Cylinder 4 Misfire Detected
Follow the Repair Procedure in this bulletin to address these conditions.
Warranty Information
OP CODE
DESCRIPTION
MODEL
TIME
OFP
T1
T2
13750-F0010
8A
99
Avalon
3.0
Camry
EG2401
Replace Valve Lash Adjuster
Assembly (Exhaust Side ONLY)
Corolla
Corolla Cross
2.8
RAV4
APPLICABLE WARRANTY
• This repair is covered under the Toyota Powertrain Warranty. This warranty is in effect for
60 months or 60,000 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.
© 2025 Toyota Motor Sales, USA
T-SB-0010-24
Rev2
February 21, 2024
Page 3 of 13
MIL ON With Misfire DTC(s) in Cold Temperatures
Parts Information
PART NUMBER
PART NAME
QTY
Adjuster Assy, Valve Lash
8
90301-#####
Ring, O
1
90301-#####
Ring, O (for Cam Timing Control Motor)
1
90301-#####
Ring, O (for Cam Timing Oil Control Solenoid)
1
29343-#####
Ring, O Vacuum Pump, No. 1
1
23224-#####
Gasket, Fuel Pump Spacer
1
11213-#####
Gasket, Cylinder Head Cover
1
11213-#####
Gasket, Cylinder Head Cover, No. 2
6
11159-#####
Gasket, Camshaft Bearing Cap Oil Hole
1
PREVIOUS
NEW
13750-F0010
13750-70021
Required Tools & Equipment
REQUIRED EQUIPMENT
SUPPLIER
Techstream ADVi*
Techstream Lite
PART NUMBER
QTY
TSADVUNIT
ADE
Techstream Lite (Green Cable)
TSLITEPDLR01
1
TSLP2DLR01
*Essential SST.
NOTE
• Only ONE of the Techstream units listed above is required.
• GTS+ Software version 2025.01.005.02 or later is required.
• Additional Techstream units may be ordered by calling Approved Dealer Equipment (ADE)
at 1-800-368-6787 or by visiting TIS – Diagnostics – Tools & Equipment – Techstream Order Portal.
© 2025 Toyota Motor Sales, USA
T-SB-0010-24
Rev2
February 21, 2024
Page 4 of 13
MIL ON With Misfire DTC(s) in Cold Temperatures
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit a MIL ON condition one or more of the following DTCs present?
•
P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change
Above Threshold
•
P030000 – Random/Multiple Cylinder Misfire Detected
•
P030100 – Cylinder 1 Misfire Detected
•
P030200 – Cylinder 2 Misfire Detected
•
P030300 – Cylinder 3 Misfire Detected
•
P030400 – Cylinder 4 Misfire Detected
•
YES — Continue to step 2.
•
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Refer to the freeze frame data. Did the vehicle exhibit the MIL ON with engine coolant
temperatures between 14°F – 41°F?
•
YES — Continue to step 3.
•
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2025 Toyota Motor Sales, USA
T-SB-0010-24
Rev2
February 21, 2024
MIL ON With Misfire DTC(s) in Cold Temperatures
Repair Procedure (continued)
3. Confirm the compression is within specification.
Refer to TIS, applicable model and model year Repair Manual:
NOTE
Perform ONLY step 11.
•
2021 – 2022 Avalon:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) – Engine –
On-Vehicle Inspection
•
2018 – 2019 / 2020 – 2024 Camry:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) – Engine –
On-Vehicle Inspection
•
2019 / 2020 – 2022 / 2023 – 2025 Corolla:
Engine / Hybrid System – M20A-FKS (Engine Mechanical) – Engine –
On-Vehicle Inspection
•
2022 – 2023 / 2024 – 2025 Corolla Cross:
Engine / Hybrid System – M20A-FKS (Engine Mechanical) – Engine –
On-Vehicle Inspection
•
2019 – 2020 / 2021 – 2025 RAV4:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) – Engine –
On-Vehicle Inspection
Is the compression within specifications?
•
YES — Continue to step 4.
•
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2025 Toyota Motor Sales, USA
Page 5 of 13
T-SB-0010-24
Rev2
February 21, 2024
MIL ON With Misfire DTC(s) in Cold Temperatures
Repair Procedure (continued)
4. Confirm the spark plugs and ignition coils are functioning properly.
Refer to TIS, applicable model and model year Repair Manual:
•
2021 – 2022 Avalon:
Engine / Hybrid System – A25A-FKS (Engine Control) – Ignition System –
On-Vehicle Inspection
•
2018 – 2024 Camry:
Engine / Hybrid System – A25A-FKS (Engine Control) – Ignition System –
On-Vehicle Inspection
•
2019 – 2025 Corolla:
Engine / Hybrid System – M20A-FKS (Engine Control) – Ignition System –
On-Vehicle Inspection
•
2022 – 2025 Corolla Cross:
Engine / Hybrid System – M20A-FKS (Engine Control) – Ignition System –
On-Vehicle Inspection
•
2019 – 2020 / 2021 – 2025 RAV4:
Engine / Hybrid System – A25A-FKS (Engine Control) – Ignition System –
On-Vehicle Inspection
Is the vehicle exhibiting proper ignition?
•
YES — Continue to step 5.
•
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2025 Toyota Motor Sales, USA
Page 6 of 13
T-SB-0010-24
Rev2
February 21, 2024
MIL ON With Misfire DTC(s) in Cold Temperatures
Repair Procedure (continued)
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TSB/Document ID: T-SB-0010-24 Rev2
Replacement Service Bulletin Number:
MFR Communication Date: 2025-06-25
MFR Internal Campaign ID/Software Version: T-SB-0010-24 Rev2
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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