NHTSA ID Number: 10252262
Manufacturer Communication Number: TSB001024
TSB/Document Date: 2024-04-01
Summary
TSB: Some 2021 ? 2022 model year Avalon, 2018 ? 2024 Camry, and 2019 ? 2024 RAV4 vehicles with A25A-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.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
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 – 2020 / 2021 – 2024 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.
© 2024 Toyota
Motor Sales, USA
Page 4 of 9
T-SB-0010-24
February 21, 2024
MIL ON With Misfire DTC(s) in Cold Temperatures
Repair Procedure (continued)
5. Confirm the resistance on the direct and port injectors are within specifications.
Refer to TIS, applicable model and model year Repair Manual:
2021 – 2022 Avalon:
Engine / Hybrid System – A25A-FKS (Fuel) –
Fuel Injector (for Direct Injection) – Inspection
2021 – 2022 Avalon:
Engine / Hybrid System – A25A-FKS (Fuel) –
Fuel Injector (for Port Injection) – Inspection
2018 – 2024 Camry:
Engine / Hybrid System – A25A-FKS (Fuel) –
Fuel Injector (for Direct Injection) – Inspection
2018 – 2024 Camry:
Engine / Hybrid System – A25A-FKS (Fuel) –
Fuel Injector (for Port Injection) – Inspection
2019 – 2024 RAV4:
Engine / Hybrid System – A25A-FKS (Fuel) –
Fuel Injector (for Direct Injection) – Inspection
2019 – 2024 RAV4:
Engine / Hybrid System – A25A-FKS (Fuel) –
Fuel Injector (for Port Injection) – Inspection
Are the resistance values for the direct and port injectors within specifications?
YES — Continue to step 6.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
© 2024 Toyota Motor Sales, USA
Page 5 of 9
T-SB-0010-24
February 21, 2024
Page 6 of 9
MIL ON With Misfire DTC(s) in Cold Temperatures
Repair Procedure (continued)
6. Inspect the fuel system.
Refer to TIS, applicable model and model year Repair Manual:
2021 – 2022 Avalon:
Engine / Hybrid System – Engine Control – A25A-FKS (Fuel) – Fuel System –
On-Vehicle Inspection
2018 – 2024 Camry:
Engine / Hybrid System – Engine Control – A25A-FKS (Fuel) – Fuel System –
On-Vehicle Inspection
2019 – 2024 RAV4:
Engine / Hybrid System – Engine Control – A25A-FKS (Fuel) – Fuel System –
On-Vehicle Inspection
Is the fuel system within specification?
YES — Continue to step 7.
NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
7. Follow the applicable Repair Manuals to replace ALL the exhaust side hydraulic lash adjusters
with the applicable service part number listed above.
A. Remove the exhaust side hydraulic lash adjusters.
(1) Remove the camshaft.
Refer to TIS, applicable model and model year Repair Manual:
2021 – 2022 Avalon:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) – Camshaft – Removal
2018 / 2019 – 2020 / 2021 – 2024 Camry:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) – Camshaft – Removal
2019 / 2020 / 2021 – 2024 RAV4:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) – Camshaft – Removal
© 2024 Toyota Motor Sales, USA
T-SB-0010-24
February 21, 2024
MIL ON With Misfire DTC(s) in Cold Temperatures
Repair Procedure (continued)
(2) Remove the hydraulic lash adjusters.
Refer to TIS, applicable model and model year Repair Manual:
2021 – 2022 Avalon:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Engine Unit – Disassembly
NOTE
Perform ONLY steps 45 and 46.
2018 – 2019 / 2020 – 2024 Camry:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Engine Unit – Disassembly
NOTE
Perform ONLY steps 45 and 46.
2019 – 2020 (11/2018 – 06/2020) RAV4:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Engine Unit – Disassembly
NOTE
Perform ONLY steps 47 and 48.
2020 – 2024 (06/2020 – ) RAV4:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Engine Unit – Disassembly
NOTE
Perform ONLY steps 47 and 48.
© 2024 Toyota Motor Sales, USA
Page 7 of 9
T-SB-0010-24
February 21, 2024
MIL ON With Misfire DTC(s) in Cold Temperatures
Repair Procedure (continued)
B. Install the NEW exhaust side hydraulic lash adjusters.
(1) Install the NEW exhaust side hydraulic lash adjusters.
Refer to TIS, applicable model and model year Repair Manual:
2021 – 2022 Avalon:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Engine Unit – Reassembly
NOTE
Perform ONLY steps 26 and 27.
2018 – 2019 Camry:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Engine Unit – Reassembly
NOTE
Perform ONLY steps 26 and 27.
2020 / 2021 – 2024 Camry:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Engine Unit – Reassembly
NOTE
Perform ONLY steps 27 and 28.
2019 – 2020 / 2021 – 2024 RAV4:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Engine Unit – Reassembly
NOTE
Perform ONLY steps 26 and 27.
© 2024 Toyota Motor Sales, USA
Page 8 of 9
T-SB-0010-24
February 21, 2024
Page 9 of 9
MIL ON With Misfire DTC(s) in Cold Temperatures
Repair Procedure (continued)
(2) Reinstall the camshaft.
Refer to TIS, applicable model and model year Repair Manual:
2021 – 2022 Avalon:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Camshaft – Installation
2018 – 2024 Camry:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Camshaft – Installation
2019 – 2020 / 2021 – 2024 RAV4:
Engine / Hybrid System – A25A-FKS (Engine Mechanical) –
Camshaft – Installation
8. Using GTS+, clear ANY DTCs and then at coolant temperatures of 14°F – 41°F, confirm the
condition is no longer present.
Refer to TIS, applicable model and model year Repair Manual:
NOTE
Perform ONLY the Confirmation Driving Pattern steps.
2021 – 2022 Avalon:
Engine / Hybrid System – A25A-FKS (Engine Control) – SFI System –
P030000,P030027,P030085-P030400; Random/Multiple Cylinder Misfire Detected
2018 Camry:
Engine / Hybrid System – A25A-FKS (Engine Control) – SFI System –
P030000,P030027,P030085-P030400; Random/Multiple Cylinder Misfire Detected
2019 – 2020 (08/2018 – 03/2020) Camry:
Engine / Hybrid System – A25A-FKS (Engine Control) – SFI System –
P030000,P030027,P030085-P030400; Random/Multiple Cylinder Misfire Detected
2020 – 2024 (03/2020 – ) Camry:
Engine / Hybrid System – A25A-FKS (Engine Control) – SFI System –
P030000,P030027,P030085-P030400; Random/Multiple Cylinder Misfire Detected
2019 – 2020 / 2021 – 2024 RAV4:
Engine / Hybrid System – A25A-FKS (Engine Control) – SFI System –
P030000,P030027,P030085-P030400; Random/Multiple Cylinder Misfire Detected
© 2024 Toyota Motor Sales, USA
- 5 year/150, 000 mile . Silicate-free, long-life, phosphate...
- Formulated to replace the OEM fluid in Asian make vehicles...
- The long life formula provides protection for all cooling...
- Meets the following OEM and industry specifications...
- Contains 30 – 50 ppm of denatonium benzoate as a bittering...
- Formulated to replace the OEM fluid in Asian make vehicles...
- 5 year/150, 000 mile . Silicate-free, long-life, phosphate...
- The long life formula provides protection for all cooling...
- Meets the following OEM and industry specifications: JIS K...
- Note: Please check the vehicle specification before...
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: TSB001024
Replacement Service Bulletin Number:
MFR Communication Date: 2024-02-21
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU coding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA AutoAuth: Now supports FCA SGW module for Chrysler, for Jeep, for Dodge (2018+), for Fiat (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Programming): Allows for Ford, for Lincoln, and for Mazda ECU programming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
- Cost-effective ECU Coding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford, for Mazda, and for Lincoln. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
- OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
- 3 Years Software Update, Value for Money: With 3 years of software updates and 22+ languages(no IP restrictions), XTOOL D7S auto scanner code scanner ensures ongoing compatibility for the latest car models and improved diagnostic functions. This all system vehicle diagnostic scanner comes with a 30-day return policy and a 24-month repair for dependable performance. XTOOL are dedicated to your satisfaction, so enjoy seamless support and lifetime expert assistance. Should you encounter any issues or concerns, don’t hesitate to reach out XTOOL. D7S with newest update with 22 languages freely transfer without authorization, check details from setting-language or from XTOOL
- 🔥 Historical lowest pr-ice now on sa-le--hot se-lling.
- 【🎈6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10-in-1 OBD2 Functions | Beyond Basic Code Reading 】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【🛒Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
This product presentation was made with AAWP plugin.