NHTSA ID Number: 10187008
Manufacturer Communication Number: A21-010
Summary
“Service Bulletin – The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear or clogging inside one or more injectors. One or more of the following DTCs may be stored:
– P0420 (rear bank catalyst system efficiency below threshold [bank 1])
– P0430 (front bank catalyst system efficiency below threshold [bank 2])
– P0300-P0306 (misfire)
– P219A (air-fuel ratio variation of cylinder [bank 1, rear bank])
– P219B (air-fuel ratio variation of cylinder [bank 2, front bank])
American Honda is extending the warranty on these repairs to 10 years from the original date of purchase or 150,000 miles, whichever comes first.”
A21-010
February 11, 2021
Version 1
Warranty Extension: MIL Comes On with DTC P0420/P0430, P030x, and/or P219A/B (Without Software Update)
This bulletin replaces 18-025, MIL Comes On with DTC P0300-P0306 or P219A/B, and 19-073, MIL Comes On with DTC P0430 or P0430 with P030X, P219A or P219B (Without Software Update).
AFFECTED VEHICLES
| Year | Model | Trim Level | VIN Range |
| 2018-19 | Odyssey | ALL | Check the iN VIN status for eligibility. |
| 2017-19 | Pilot | ALL | Check the iN VIN status for eligibility. |
| 2017-19 | Ridgeline | ALL | Check the iN VIN status for eligibility. |
BACKGROUND
The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high pressure pump or the fuel injector machining process can cause internal wear or clogging inside one or more injectors.
One or more of the following DTCs may be stored:
- P0420 (rear bank catalyst system efficiency below threshold [bank 1])
- P0430 (front bank catalyst system efficiency below threshold [bank 2])
- P0300-P0306 (misfire)
- P219A (air-fuel ratio variation of cylinder [bank 1, rear bank])
- P219B (air-fuel ratio variation of cylinder [bank 2, front bank])
American Honda is extending the warranty on these repairs to 10 years from the original date of purchase or 150,000
miles, whichever comes first.
CUSTOMER NOTIFICATION
Owners of affected vehicles will be sent a notification of this campaign.
Do an iN VIN status inquiry to make sure the vehicle is shown as eligible.
CORRECTIVE ACTION
Do the following repairs depending on the stored DTC:
P0420 or P0430 only – Do the cylinder AF test. If the test fails, replace the fuel injectors.
P0420 or P0430, and any combination of P0300 through P0306, P219A, or P219B – Replace the fuel injectors.
P0300 through P0306, P219A, or P219B only – Replace the fuel injectors.
NOTE: The vehicle must have 5,000 miles or more on the odometer.
PARTS INFORMATION
| Part Name | Quantity | Part Number |
| Fuel Injector Kit* | 1 | 06160-RLV-305 |
*Includes new fuel injectors and all must-replace parts.
INSPECTION
1. Connect the HDS, and do an all-DTC check.
Are any of the DTCs listed below present?
- P0420
- P0430
- P0300-P0306
- P219A
- P219B
Yes – Do the following depending on the DTC(s) present:
– P0420 or P0430 only – Go to the next step to start the cylinder AF test.
– P0420 or P0430, and any combination of P0300 through P0306, P219A, or P219B – Go to REPAIR PROCEDURE.
– P0300 through P0306, P219A, or P219B only – Go to REPAIR PROCEDURE.
No – This service bulletin does not apply. Continue with normal system troubleshooting.
2. Select Honda Systems.
3. Select PGM FI.
4. Select PGM FI.
5. Select Inspection.
6. Select Cylinder AF Test.
7. Make sure all cylinders pass.
Did all cylinders pass?
Yes – This service bulletin does not apply. Continue with normal system troubleshooting.
No – Go to REPAIR PROCEDURE.
REPAIR PROCEDURE
1. Relieve the fuel pressure.
2. Disconnect the negative terminal from the 12-volt battery.
3. Remove the intake manifold and intake manifold base.
4. Remove the high pressure fuel pump cover.
5. Remove the fuel rail cover.
6. Remove the fuel joint pipe.
7. Remove the fuel rail and fuel injectors.
8. Replace the fuel injectors in the fuel rail.
9. Install the fuel rail and new fuel injectors into the cylinder head.
10. Lubricate the tips of the new fuel joint pipe with polyethylene glycol included in the fuel injector kit.
11. Lubricate the threaded areas of the fuel rails and high pressure fuel pump with polyethylene glycol.
12. Loosen the fuel pump mounting bolts.
13. Install the new fuel joint pipe.
NOTE: Do not reuse the fuel joint pipe. Failure to install a new fuel joint pipe will cause fuel leaks.
14. Tighten the fuel joint pipe nuts by hand until the tips of the fuel joint pipe are seated on the fuel rails and the high pressure fuel pump.
15. Loosely install the bracket bolts to secure the new fuel joint pipe to the cylinder head.
16. Tighten the fuel pump mounting bolts to 25 N·m (18 lb-ft).
17. Tighten the fuel joint pipe bracket bolts to 12 N·m (9 lb-ft) and 22 N·m (16 lb-ft) in the order shown.
18. Tighten the fuel joint pipe nuts to 36 N·m (27 lb-ft) in the order shown.
NOTE:
- A crowfoot-type special tool increases the torque applied by the torque wrench. Refer to Torque Specifications on SIS for details on how to recalculate the torque wrench setting.
- Failure to tighten the fuel joint pipe nuts to the proper torque will cause a fuel leak.
19. Connect the quick-connect fitting and install the quick-connect fitting cover.
20. Connect the negative terminal to the 12-volt battery.
21. Check for fuel leaks.
22. Install the fuel rail cover.
23. Install the high pressure fuel pump cover.
24. Install the intake manifold base and intake manifold.
25. Do an all-DTC check, and clear any DTCs from all systems.
8 Affected Products
Vehicles
1 Associated Document
Manufacturer Communications
A21-010
February 11, 2021
Version 1
MC-10187008-0001.pdf 412.022KB
NHTSA ID Number: 10187003
Manufacturer Communication Number: A18-025
Summary
Service Bulletin – MIL Comes On with DTC P0300-P0306 or P219A/B
1 Associated Document
Manufacturer Communications
A18-025
February 11, 2021
Version 6
NHTSA ID Number: 10187005
Manufacturer Communication Number: A19-073
Summary
Service Bulletin – MIL Comes On with DTC P0430 or P0430 with P030X, P219A, P219B (Without Software Update)
1 Associated Document
Manufacturer Communications
A19-073
February 11, 2021
Version 4
- [Easy to Use—Work Out of the Box] + [FOXWELL 2026 New Version] FOXWELL NT604 Elite scan tool is the 2026 new version from FOXWELL, designed for car owners who want to figure out the cause of issues before fixing car problems by scanning common systems like ABS, SRS, engine, and transmission. The NT604 Elite obd2 scanner diagnostic tool comes with the latest software—no need to waste time downloading software first. Plug the scanner into the OBDII port with OBDII cable to start the diagnosis.
- [Affordable] + [Reliable Car Health Monitor] Will you be confused what happens when the warning light of ABS/SRS/transmission/check engine flashes? Instead of taking your cars to dealership, this FOXWELL scanner will help you do a thorough scanning and detection for your cars and pinpoint the root cause. Note：The device is a diagnostic tool, not a repair tool. To turn off a warning light, you must first physically repair the issue causing it. Only then can the scanner be used to clear the corresponding fault code.
- [5 in 1 Car Diagnostic Scanner] Compared with obd scanners (50-100), NT604 Elite code scanner not only includes their OBDII diagnosis but also serves as ABS/SRS scanner, transmission and check engine code reader. When it’s an odb2 scanner, you can use it to check if your car is ready for annual test through I/M readiness menu. In addition, live data stream, built-in DTC library, data play back and print, all these features are a big plus for it. Note: doesn't support maintenance functions like reset or relearn. For the SRS system, NT604 Elite can read and clear common fault codes not caused by a crash, but crash/collision data cannot be cleared.
- [Fantastic AUTOVIN] + [No extra software fee] Through the AUTOVIN menu, this NT604 Elite car scanner allows you to get your V-IN and vehicle info rapidly, no need to take time to find your V-IN and input one by one. What's more, the NT604 Elite ABS SRS scanner supports 60+ car brands from worldwide (America/Asia/Europe). You don’t need to pay extra software fee. AUTOVIN may not work on some older vehicles or certain vehicle brands. If AUTOVIN fails, please input the vin code manually or go to the Diagnostic Menu to select your vehicle model.
- [Solid protective case KO plastic carrying bag] + [Lifetime update] Almost all same price-level car scanner diagnostic tool only offers plastic bag to hold the scanner.However, NT604 Elite automotive scanner is equipped with solid protective case, preventing your obd2 scanner from damage. Then you don’t need to pay extra money to buy a solid toolbox.
- 【Reset ABS/SRS/Transmission/Engine Lights】 More than an check engine code reader, OBDMATE OM901 obd2 scanner performs comprehensive diagnostics for the 4 most-used systems (ABS/SRS/Engine/Transmission). It quickly clears fault codes, turns off warning lights, read data stream and auto VIN.
- 【3.5" Handheld Scanner with 4 System Diagnose】 3.5" Super large TFT screen equipped displays an intuitive menu and clear readings of various sensors from ABS, SRS, ECM and TCM systems. It arrived with a silicone protective case and hard-shell carrying case, ensuring long-lived durability and drop resistance. The car diagnostic tool is plug-to-play designed, plug it and get diagnosis started without any batteries or updates required.
- 【One-Click I/M Readines&Full OBD2 Functions】 Press F1 to get an intuitive corloured form about whether various emissions-related systems on the vehicle are operating properly. Help you get smog-check ready quickly. OM901 car scanner supports all essential OBD2 functions you need: read & clear codes, view freeze frame, read I/M readiness, retrieve VIN, live data stream (with graphing display), O2 sensor test, onboard monitoring mode, and EVAP leak test.
- 【Battery Voltage Check&DLC Pin Test】 It allows you to monitor battery health by testing current battery voltage. Plus, this obd2 diagnostic tool features DLC 16-PIN test to check current voltage of every pin.
- 【Automotive Scanner Diagnostic Kit】 The package comes with 1 car scanner, 1 USB-type c cable, 1 hard storage bag and 1 user manual(en). Free to update without any hidden fees. 5 languanges available in setting including English, French, Italian, German and Espanish. Valuable and Portable, making it a great tool kit for car owners, DIY enthusiasts, and professional mechanics.
- [All System Diagnostics, Professional-Level Scanner] - BLCKTEC 460T is the ultimate OBD2 diagnostic tool for home mechanics and professionals. It supports all 10 OBD2 modes, reads and clears Engine/Transmission/ABS/SRS codes, performs All-System Diagnostics, offers workshop reset tools, and provides real-time live data. It helps you pinpoint issues, assess your car's condition, and prepare for SMOG checks with ease. NOTE: Function availability depends on your vehicle. Before you buy, be sure to use the Compatibility Checker on BLCKTEC website or contact our customer support to verify that the features you need are supported for your vehicle’s specific year, make, and model.
- [12+ Most Popular Reset Functions] - BLCKTEC 460T OBD2 scanner offers 12+ dealer-level service functions, including Oil Maintenance Reset, ABS Bleeding, EPB Reset, SAS(Steering Angle Sensor) Recalibration, DPF(Diesel Particulate Filter) Reset, Throttle Body Relearn, Battery Reset/Initialization, TPMS Relearn, Transmission Reset, Fluid Change Reset, Maintenance Reset and more, enabling you to perform workshop services like a pro. NOTE: Function availability depends on your vehicle. Be sure to use the Compatibility Checker on BLCKTEC website to verify that the features you need are supported for your vehicle.
- [Real-Time OBD2 and OEM Live Data, Freeze Frame Data] - BLCKTEC 460T helps diagnose vehicle issues when warning lights like Check Engine Light or ABS/SRS Light appear. It offers detailed DTC info, ECU Freeze Frame Data, and real-time OBD2 and advanced OEM live data, including Engine, Transmission, ABS, SRS, and more, making it easy to diagnose and resolve vehicle problems. You can view, graph, record, replay, and overlay up to four live data streams in a single graph for better analysis.
- [AutoVIN, AutoReLink, AutoScan, 3X Faster] - Equipped with AutoVIN technology, 460T automatically retrieves the VIN to save you time. Its AutoScan and AutoReLink features scan all of the vehicle's ECUs and detect any fault codes immediately after you plug the scanner into the vehicle's OBD2 port - no button presses required. Additionally, it regathers DTC and I/M readiness information every 30 seconds, simplifying monitor tests. 460T's advanced technology makes it 3X faster than other products.
- [Get RepairSolutions2, the #1 Auto Repair App for Free] - When paired with RepairSolutions2(RS2) App, 460T becomes even more powerful. RS2's Verified Fix Database built by master technicians, provides the parts needed for the repair. Additionally, RS2 gives you access to OEM warranty info, maintenance schedules, TSB, and dealership recall info, making car care easier than ever. RS2 is free with no subscription fees and it stores your car scan reports in the cloud, allowing you to access, share, or print them anytime and anywhere.
- ✔️【Professional SRS Reset for 1994-2003 BMW】 Designed specifically for classic BMW models (1994-2003). This B800 scanner reads & clears SRS airbag fault codes, turns off the warning light, and saves you a costly dealer visit. Confirmed compatible with: E36, E46 (EXCEPT 2001 330i), E34, E38, E39, Z3, and X5 (E53). NOT compatible with any BMW built before 1994 or after 2003.
- ✔️【Important: Two Different Connection Ports – Read Before Use】 To avoid “not working” issues, please note: For 1994–2000 BMWs (most E36, E34, Z3, early E39), the SRS diagnostic port is a round 20-pin connector under the hood. You MUST use the included 16-pin to 20-pin adapter cable. For 2000–2003 models (late E46, E39, X5), use the standard OBD-II port inside the cabin. Incorrect connection is the #1 reason for “incompatibility” reports.
- ✔️【Read & Clear Fault Codes in Minutes】 Quickly diagnose why your SRS light is on. The scanner accurately reads fault codes from airbag and seatbelt pretensioner systems. With one button press, clear the codes and reset the SRS warning light in seconds. No expensive dealer tools needed.
- ✔️【User-Friendly for DIYers – No Mechanic Required】 Easy operation with an intuitive button layout: ‘Enter’ to confirm, ‘Scroll’ to navigate. The clear LCD screen shows results instantly. Includes a step-by-step manual (revised for clarity) to guide you through the entire reset process.
- ✔️【Reliable Support with 1-Year Warranty】 We stand behind the quality of our B800 scanner. It comes with a 1-Year Hassle-Free Warranty. If you have any questions or need support, please contact us with your Order ID, and our dedicated team will assist you promptly.
- 10-Second Four-System Diagnosis with AI Smart Technology - This OBD2 scanner delivers fast diagnosis across Engine, ABS, SRS, and Transmission in just 10 seconds - using parallel scanning that checks all four systems simultaneously (not one by one). AI Agent accurately - not just reading codes, but understanding what's actually failing - and intelligently calculates local repair costs using a built-in database of parts and labor. Abs Scanner easy to use with true plug-and-play - automatic VIN recognition (no setup needed), one-press SCAN button, and a 2.8 - inch color screen with clear menus. Plus,it quickly reads/clears emission DTCs and checks I/M readiness for smog tests.
- Easy to Use—Work Out of the Box - Easy to use with latest software ( no complex setup) and plug-and-play via OBDII cable with gold-plated pins for stable signal – just plug in and diagnosis, follow the simple on‑screen prompts. This car scanner goes beyond basic engine code readers – it uses smart auto‑protocol that talks to all your car's computers, diving deep into ABS, SRS, and Transmission – so it reads all codes from every module, from wheel speed sensors to TCM faults. Accurate results –reads each code twice and verifies against a 10,000+ fault database – no false alarms, just what's broken.At a great price, you get lifetime free updates - no subscriptions, no hidden costs.
- Avoid Over‑Repair – For ABS/SRS warnings or trade‑in prep, this car diagnostic scanner quickly diagnoses all systems (Engine, ABS, SRS, Transmission) using upgraded chips – so you know what needs fixing. Its AI (trained on 1.2M DTC patterns) delivers accurate results via isolated ADCs, adaptive noise cancellation, and dual-core DSP for fast matching – it pinpoints issues and estimates repair costs with an embedded parts‑labor database, skipping unnecessary bills. Good value for money with lifetime free OTA updates and rugged rubber casing;very useful for any car owner–live data stream,freeze-frame,and built-in DTC library complete your maintenance toolkit.
- Reliable and Car Compatibility - The obd2 scanner diagnostic tool works on 1996+ cars with automatic VIN detection - plug & play. Thousands praise its reliability (backed by double-shielded OBD cable, 36V over-voltage protection) and accuracy (achieved through two-stage isolated power and ±0.5% precision resistor network). Easy to use with pre-installed 2026 database; works great on 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN Vehicle,We will continue to improve more models in the future. Worth the money - free lifetime updates, no annual fees, rugged ABS housing with IP54 dust-proof - delivers peace of mind for every car in your home.
- Lifetime Updates & Peace of Mind – This diagnostic tool comes with lifetime free software updates and dedicated technical support – no hidden fees, no subscriptions. One investment replaces hundreds of dollars in dealer fees every year. Whether troubleshooting a warning light or preparing for trade-in, this scan tool helps you avoid unnecessary repair costs (AI Agent accurately pinpoints the root cause of a fault and intelligently calculates local repair costs.) and make informed decisions. Great value for money–2-year replacement warranty and free live‑chat support – No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
SEOCONTENT-START
CUSTOMER INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment,
and training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers,” and you should not
assume this bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact
an authorized Honda automobile dealer.
© 2021 American Honda Motor Co., Inc. – All Rights Reserved Page 1 of 8
Service Bulletin 21-010
February 11, 2021 Version 1
Warranty Extension: MIL Comes On with DTC P0420/P0430, P030x,
and/or P219A/B (Without Software Update)
This bulletin replaces 18-025, MIL Comes On with DTC P0300-P0306 or P219A/B, and 19-073, MIL Comes On with
DTC P0430 or P0430 with P030X, P219A or P219B (Without Software Update).
AFFECTED VEHICLES
Year Model Trim Level VIN Range
2018-19 Odyssey ALL Check the iN VIN status for eligibility.
2017-19 Pilot ALL Check the iN VIN status for eligibility.
2017-19 Ridgeline ALL Check the iN VIN status for eligibility.
BACKGROUND
The PCM software may misinterpret sensor inputs as a deteriorated catalytic converter. Additionally, debris from the high
pressure pump or the fuel injector machining process can cause internal wear or clogging inside one or more injectors.
One or more of the following DTCs may be stored:
P0420 (rear bank catalyst system efficiency below threshold [bank 1])
P0430 (front bank catalyst system efficiency below threshold [bank 2])
P0300-P0306 (misfire)
P219A (air-fuel ratio variation of cylinder [bank 1, rear bank])
P219B (air-fuel ratio variation of cylinder [bank 2, front bank])
American Honda is extending the warranty on these repairs to 10 years from the original date of purchase or 150,000
miles, whichever comes first.
CUSTOMER NOTIFICATION
Owners of affected vehicles will be sent a notification of this campaign.
Do an iN VIN status inquiry to make sure the vehicle is shown as eligible.
Page 2 of 8
CORRECTIVE ACTION
Do the following repairs depending on the stored DTC:
P0420 or P0430 only – Do the cylinder AF test. If the test fails, replace the fuel injectors.
P0420 or P0430, and any combination of P0300 through P0306, P219A, or P219B – Replace the fuel injectors.
P0300 through P0306, P219A, or P219B only – Replace the fuel injectors.
NOTE: The vehicle must have 5,000 miles or more on the odometer.
WARRANTY CLAIM INFORMATION
Template IDs were not included because there are multiple repair variations. Document the inspection and test results on
the repair order, and manually enter the warranty claim depending on which repair(s) were done.
Odyssey
Operation
Number
Description Flat Rate
Time
Defect
Code
Symptom
Code
Failed Part Number
1105D3 Do the cylinder AF test. 0.2 hr
6E600 N9400
10004-RLV-A00
1211NC Replace the fuel injectors. 2.6 hr 16010-RLV-315
Pilot
Operation
Number
Description Flat Rate
Time
Defect
Code
Symptom
Code
Failed Part Number
1105D3 Do the cylinder AF test. 0.2 hr
6E600 N9400
10004-RLV-A00
1211NC Replace the fuel injectors. 2.5 hr 16010-RLV-315
Ridgeline
Operation
Number
Description Flat Rate
Time
Defect
Code
Symptom
Code
Failed Part Number
1105D3 Do the cylinder AF test. 0.2 hr
6E600 N9400
10004-RLV-A00
1211NC Replace the fuel injectors. 2.2 hr 16010-RLV-315
Skill Level: Repair Technician
PARTS INFORMATION
Part Name Part Number Quantity
Fuel Injector Kit* 06160-RLV-305 1
*Includes new fuel injectors and all must-replace parts.
Page 3 of 8
INSPECTION
1. Connect the HDS, and do an all-DTC check.
Are any of the DTCs listed below present?
P0420
P0430
P0300-P0306
P219A
P219B
Yes – Do the following depending on the DTC(s) present:
– P0420 or P0430 only – Go to the next step to start the cylinder AF test.
– P0420 or P0430, and any combination of P0300 through P0306, P219A, or P219B – Go to REPAIR
PROCEDURE.
– P0300 through P0306, P219A, or P219B only – Go to REPAIR PROCEDURE.
No – This service bulletin does not apply. Continue with normal system troubleshooting.
2. Select Honda Systems.
3. Select PGM FI.
Page 4 of 8
4. Select PGM FI.
5. Select Inspection.
Page 5 of 8
6. Select Cylinder AF Test.
7. Make sure all cylinders pass.
Did all cylinders pass?
Yes – This service bulletin does not apply. Continue with normal system troubleshooting.
No – Go to REPAIR PROCEDURE.
Page 6 of 8
REPAIR PROCEDURE
1. Relieve the fuel pressure.
2. Disconnect the negative terminal from the 12-volt battery.
3. Remove the intake manifold and intake manifold base.
4. Remove the high pressure fuel pump cover.
5. Remove the fuel rail cover.
6. Remove the fuel joint pipe.
7. Remove the fuel rail and fuel injectors.
8. Replace the fuel injectors in the fuel rail.
9. Install the fuel rail and new fuel injectors into the cylinder head.
10. Lubricate the tips of the new fuel joint pipe with polyethylene glycol included in the fuel injector kit.
11. Lubricate the threaded areas of the fuel rails and high pressure fuel pump with polyethylene glycol.
12. Loosen the fuel pump mounting bolts.
13. Install the new fuel joint pipe.
NOTE: Do not reuse the fuel joint pipe. Failure to install a new fuel joint pipe will cause fuel leaks.
Page 7 of 8
NOTES
14. Tighten the fuel joint pipe nuts by hand until the tips of the fuel joint pipe are seated on the fuel rails and the high
pressure fuel pump.
15. Loosely install the bracket bolts to secure the new fuel joint pipe to the cylinder head.
16. Tighten the fuel pump mounting bolts to 25 N·m (18 lb-ft).
17. Tighten the fuel joint pipe bracket bolts to 12 N·m (9 lb-ft) and 22 N·m (16 lb-ft) in the order shown.
18. Tighten the fuel joint pipe nuts to 36 N·m (27 lb-ft) in the order shown.
NOTE:
A crowfoot-type special tool increases the torque applied by the torque wrench. Refer to Torque Specifications on
SIS for details on how to recalculate the torque wrench setting.
Failure to tighten the fuel joint pipe nuts to the proper torque will cause a fuel leak.
Page 8 of 8
19. Connect the quick-connect fitting and install the quick-connect fitting cover.
20. Connect the negative terminal to the 12-volt battery.
21. Check for fuel leaks.
22. Install the fuel rail cover.
23. Install the high pressure fuel pump cover.
24. Install the intake manifold base and intake manifold.
25. Do an all-DTC check, and clear any DTCs from all systems.
END
**************************************************************************************************************
**************************************************************************************************************
SEOCONTENT-END
This product presentation was made with AAWP plugin.