NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
139 reportsMileage unknown · Apr 4, 2025
Engine
1. What component or system failed or malfunctioned, and is it available for inspection upon request? The emissions system continues to malfunction despite multiple repair attempts, with the emission sensor reactivating as recently as February 2025. The VTC oil control valve also previously leaked but was replaced. The battery a…
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1. What component or system failed or malfunctioned, and is it available for inspection upon request? The emissions system continues to malfunction despite multiple repair attempts, with the emission sensor reactivating as recently as February 2025. The VTC oil control valve also previously leaked but was replaced. The battery and seatbelt buckle issues were successfully resolved. The vehicle and components are available for inspection upon request. 2. How was your safety or the safety of others put at risk? The emissions system malfunction may impair engine performance or emissions control, creating potential environmental and mechanical hazards. While the seatbelt and battery issues have since been resolved, they previously created safety risks—such as an unreliable restraint system warning and unexpected failure to start the vehicle. 3. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes, the dealership (Winter Haven Honda) has confirmed the emissions system fault multiple times, including diagnostic sessions in December 2024, January 2025, and February 2025. 4. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? The vehicle has been repeatedly inspected by the dealership in consultation with American Honda Motor Co. No inspections by police or insurance representatives have been reported. 5. Were there any warning lamps, messages or other symptoms of the problem prior to the failure, and when did they first appear? Yes. The emissions warning light first appeared on December 9, 2024, and continued to reappear on December 12, 2024, January 7, 2025, and again in February 2025. These warning messages clearly indicate an unresolved system issue
NHTSA ODI #11652867
Mileage unknown · Mar 28, 2025
EnginePower TrainUnknown Or Other
Vehicle stopped with no warning while waiting in traffic at a red light and it took a while to restart. Same thing happened while parked in a lot waiting. The former issue was dangerous as I was in traffic with numerous vehicles moving around me with my family in the car as I got out to check the problem under the hood. The latt…
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Vehicle stopped with no warning while waiting in traffic at a red light and it took a while to restart. Same thing happened while parked in a lot waiting. The former issue was dangerous as I was in traffic with numerous vehicles moving around me with my family in the car as I got out to check the problem under the hood. The latter issue happened while out of town which is scary and dangerous considering it was a remote area.
NHTSA ODI #11651371
Mileage unknown · Mar 12, 2025
Electrical SystemExterior LightingForward Collision Avoidance
While driving the pilot warning alerts popped up that none of the collision detection, lane assist, cruise control, and seemingly all radar related systems were working. Additionally, the headlights turned off. We have brought this to the Honda dealer on now three occasions, and there doesn’t seem to be any understanding of why …
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While driving the pilot warning alerts popped up that none of the collision detection, lane assist, cruise control, and seemingly all radar related systems were working. Additionally, the headlights turned off. We have brought this to the Honda dealer on now three occasions, and there doesn’t seem to be any understanding of why this is happening. On the evening of March 11 this issue happened again after the dealership having the car for a week to “fix “this problem and the lights turned off on an unlit road almost causing an accident. The car is again back at the dealer, who apparently is working with Honda again. I have seen this type of problem reported for other 2023 Honda vehicles, including the pilot, passport, and CRV on various Internet forums.
NHTSA ODI #11647933
Mileage unknown · Feb 17, 2025
Power TrainVehicle Speed Control
Slow acceleration at the speed between 0 to 30 mpg. Doesn’t shift smoothly and hesitate. Not enough power on the highway
NHTSA ODI #11643062
Mileage unknown · Feb 10, 2025
Forward Collision AvoidanceService Brakes
Automatic Braking System (ABS) automatically applied brakes when I was 2 car lengths behind a vehicle that was turning and the sensor detected the vehicles brake lights. There was enough space between my vehicle and the one in front of me that was turning for me to stop if needed.
NHTSA ODI #11641765
8,000 miles · Feb 3, 2025
Electrical System
The contact owns a 2023 Honda Pilot. The contact stated while driving at approximately 30 MPH, the advanced driver assistance system was unintendedly activated, causing the vehicle to become difficult to maneuver. No warning light was illuminated; however, the "Clear the Sensor" message was displayed on the instrument panel. The…
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The contact owns a 2023 Honda Pilot. The contact stated while driving at approximately 30 MPH, the advanced driver assistance system was unintendedly activated, causing the vehicle to become difficult to maneuver. No warning light was illuminated; however, the "Clear the Sensor" message was displayed on the instrument panel. The vehicle was taken back to the residence. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 8,000.
NHTSA ODI #11640360
Mileage unknown · Jan 25, 2025
Forward Collision AvoidanceLane Departure
If there is rain, snow, fog, moisture or salt from the roads builds up or collects on the emblem of my pilot, I get a warning saying something to the effect of “ Some Driver Assist Systems cannot operate clean area shown”. This is quite dangerous when you live in the Midwest snowbelt. You can’t always pull over and clean it. Th…
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If there is rain, snow, fog, moisture or salt from the roads builds up or collects on the emblem of my pilot, I get a warning saying something to the effect of “ Some Driver Assist Systems cannot operate clean area shown”. This is quite dangerous when you live in the Midwest snowbelt. You can’t always pull over and clean it. The system will repeat the message even after acknowledging the issue, if it clears itself or improves, which is equally alarming.
NHTSA ODI #11638566
Mileage unknown · Jan 25, 2025
Unknown Or Other
Door locks do not respond. I will use the driver unlock button on the driver door panel, or sometimes by key fob, and the driver door will unlock, but the passenger (with less frequency than rear) and rear doors will remain locked. Sometimes they will all work. Generallly it’s the rear doors. Very intermittent and hard to reprod…
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Door locks do not respond. I will use the driver unlock button on the driver door panel, or sometimes by key fob, and the driver door will unlock, but the passenger (with less frequency than rear) and rear doors will remain locked. Sometimes they will all work. Generallly it’s the rear doors. Very intermittent and hard to reproduce. They tend to stay locked until I power the vehicle off.
NHTSA ODI #11638564
Mileage unknown · Jan 25, 2025
Seat Belts
‘23 pilot will signal an alarm stating I have an unsecured passenger in my middle row (while my passenger is properly secured via the seatbelt). If my passenger pushes or jiggles the seatbelt at the clasp (where is latches together at the seat), it will turn off for a moment and then begin again. I’m not sure if this is a wiring…
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‘23 pilot will signal an alarm stating I have an unsecured passenger in my middle row (while my passenger is properly secured via the seatbelt). If my passenger pushes or jiggles the seatbelt at the clasp (where is latches together at the seat), it will turn off for a moment and then begin again. I’m not sure if this is a wiring issue, sensor issue or defective part, but this seems like a safety issue.
NHTSA ODI #11638563
Mileage unknown · Jan 23, 2025
Visibility/wiper
I just had my Pilot serviced for the recall and during that service I had them check the windshield water solvent system since I ran out of washer fluid on Friday [XXX]. I was driving in heavy traffic on [XXX] in Michigan on my way home from work when I was trying to keep my windshield clear to see from all the salt spray from …
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I just had my Pilot serviced for the recall and during that service I had them check the windshield water solvent system since I ran out of washer fluid on Friday [XXX]. I was driving in heavy traffic on [XXX] in Michigan on my way home from work when I was trying to keep my windshield clear to see from all the salt spray from the truck in front of me when I ran out of fluid. I had to pull to the shoulder of the highway and put snow on my windshield to see again. I had the dealership (Honda of Grand Blanc) check to see if maybe I had a stuck float or something since I did not receive any warning of low fluid. After the tech at the dealer did a bunch of checking with Honda they found that my Pilot does not have this feature. This is also the top of the line Elite trim and it can not tell me when I am low on fluid.. This is a major safety issue. Here in Michigan in the winter all road commission and city Transportation departments use salt to help clear the snow and ice. How is it safe to drive in those conditions when I dont know if I am low on fluid. I have been driving since 1980 and every car or truck I have driven has had a low indicator warning somewhere on the dash. If my car has to have a rear back up camera, TPS etc. How can it not have low washer fluid notice. If you are wondering why I did not notice this before, I drive so many miles that at each oil change they fill it up. I did have them check it the last time it was in for oil in Nov. but they thought the float stuck. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
NHTSA ODI #11638028
Official recalls
5Jun 12, 2025
Honda (American Honda Motor Co.) is recalling certain 2021-2025 Acura TLX, 2023-2025 Acura MDX, and 2023-2025 Honda Pilot vehicles. The brake pedal pivot pin was not secured properly, which can cause the pedal to shift out of position. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard numbers 108, "Lamps, Reflective Devices, and Associated Equipment" and 135, "Light Vehicle Brake Systems."
Consequence & remedy
Consequence: A brake pedal that shifts out of position can prevent the driver from applying the brakes as intended, increasing the risk of a crash or injury.
Remedy: Dealers will inspect and replace the brake pedal assembly as necessary, free of charge. Owner notification letters were mailed July 29, 2025. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are FLX and XLY.
Jan 23, 2025
Honda (American Honda Motor Co.) is recalling certain 2022-2025 Acura MDX Type-S, 2023-2025 Honda Pilot, and 2021-2025 Acura TLX Type-S vehicles. A software error in the fuel injection electronic control unit (FI-ECU) may cause an engine stall or a loss of power.
Consequence & remedy
Consequence: An engine stall or loss of power can increase the risk of a crash or injury.
Remedy: Dealers will reprogram the FI-ECU software, free of charge. Owner notification letters were mailed March 17, 2025. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are EL1 and AL0.
Additional source detail variants (2)
Electrical System:software
Honda (American Honda Motor Co.) is recalling certain 2022-2025 Acura MDX Type-S, 2023-2025 Honda Pilot, and 2021-2025 Acura TLX Type-S vehicles. A software error in the fuel injection electronic control unit (FI-ECU) may cause an engine stall or a loss of power.
Consequence: An engine stall or loss of power can increase the risk of a crash or injury.
Remedy: Dealers will reprogram the FI-ECU software, free of charge. Owner notification letters were mailed March 17, 2025. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are EL1 and AL0.
Fuel System, Gasoline:fuel Injection System
Honda (American Honda Motor Co.) is recalling certain 2022-2025 Acura MDX Type-S, 2023-2025 Honda Pilot, and 2021-2025 Acura TLX Type-S vehicles. A software error in the fuel injection electronic control unit (FI-ECU) may cause an engine stall or a loss of power.
Consequence: An engine stall or loss of power can increase the risk of a crash or injury.
Remedy: Dealers will reprogram the FI-ECU software, free of charge. Owner notification letters were mailed March 17, 2025. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are EL1 and AL0.
Nov 27, 2024
Honda (American Honda Motor Co.) is recalling certain 2023-2024 Passport and 2023-2025 Pilot vehicles. The fuel filler neck tube and fuel filler pipe may separate, allowing fuel to leak.
Consequence & remedy
Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will inspect and repair the fuel filler neck tube and pipe as necessary, free of charge. Owner notification letters were mailed January 7, 2025. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is OKM.
Nov 14, 2024
Honda (American Honda Motor Co.) is recalling certain 2023-2024 Honda Accord, Accord Hybrid, Civic Sedan, Civic Hatchback, Pilot, and 2024 HR-V, Acura Integra and Acura Integra Type S vehicles. The driver's seat cushion frame may not have been tightened properly, which can result in an unsecured seat. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 207, "Seating Systems."
Consequence & remedy
Consequence: An unsecured driver's seat may not adequately restrain the driver during a crash, increasing the risk of injury.
Remedy: Dealers will replace the driver's seat cushion frame, free of charge. Owner notification letters were mailed January 6, 2025. Owners may contact Honda customer service at 1-888-234-2138.
Nov 2, 2023
Honda (American Honda Motor Co.) is recalling certain 2023-2024 Pilot vehicles. Due to a manufacturing error, the gear box assembly may contain a loose ball bearing, which can result in a loss of steering control or steering lock-up.
Consequence & remedy
Consequence: A loss of steering control or steering lock-up can increase the risk of a crash.
Remedy: Dealers will replace the electric power steering rack, free of charge. Owner notification letters were mailed December 18, 2023. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is FFX.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
2PE25017 · Inaccurate Rear Passenger Seat Belt Warning Status
Opened Oct 28, 2025 · No close date supplied
Status: open (inferred from source dates) · Seat Belts; Seat Belts:rear/other; Seat Belts:status Indicator Switch
The Office of Defects Investigation (ODI) has received 6 complaints, and multiple Early Warning Reporting (EWR) field reports alleging inaccurate rear seat belt warning status. These allegations concern both false positive and false negative statuses in model year (MY) 2023-2024 Honda Pilot vehicles manufactured by American Honda Motor Co. (Honda). The complaints state that the rear passenger seat belt warning system is displaying inaccurate information to the driver for both second and third row seating positions. This can lead to the driver dismissing warnings regarding rear seat belt status. The inaccurate information can also cause the driver to believe rear occupants are buckled when they are not. This reliance on false information presents concerns for the safety of children and child seats located in the rear rows, especially in the third row where the buckled status is more difficult for the driver to visually confirm. ODI is opening this Preliminary Evaluation (PE) to determine the scope and severity of the potential problem and to fully assess the potential safety-related issues. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
Additional source detail variants (3)
Seat Belts
The Office of Defects Investigation (ODI) has received 6 complaints, and multiple Early Warning Reporting (EWR) field reports alleging inaccurate rear seat belt warning status. These allegations concern both false positive and false negative statuses in model year (MY) 2023-2024 Honda Pilot vehicles manufactured by American Honda Motor Co. (Honda). The complaints state that the rear passenger seat belt warning system is displaying inaccurate information to the driver for both second and third row seating positions. This can lead to the driver dismissing warnings regarding rear seat belt status. The inaccurate information can also cause the driver to believe rear occupants are buckled when they are not. This reliance on false information presents concerns for the safety of children and child seats located in the rear rows, especially in the third row where the buckled status is more difficult for the driver to visually confirm. ODI is opening this Preliminary Evaluation (PE) to determine the scope and severity of the potential problem and to fully assess the potential safety-related issues. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
Seat Belts:rear/other
The Office of Defects Investigation (ODI) has received 6 complaints, and multiple Early Warning Reporting (EWR) field reports alleging inaccurate rear seat belt warning status. These allegations concern both false positive and false negative statuses in model year (MY) 2023-2024 Honda Pilot vehicles manufactured by American Honda Motor Co. (Honda). The complaints state that the rear passenger seat belt warning system is displaying inaccurate information to the driver for both second and third row seating positions. This can lead to the driver dismissing warnings regarding rear seat belt status. The inaccurate information can also cause the driver to believe rear occupants are buckled when they are not. This reliance on false information presents concerns for the safety of children and child seats located in the rear rows, especially in the third row where the buckled status is more difficult for the driver to visually confirm. ODI is opening this Preliminary Evaluation (PE) to determine the scope and severity of the potential problem and to fully assess the potential safety-related issues. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
Seat Belts:status Indicator Switch
The Office of Defects Investigation (ODI) has received 6 complaints, and multiple Early Warning Reporting (EWR) field reports alleging inaccurate rear seat belt warning status. These allegations concern both false positive and false negative statuses in model year (MY) 2023-2024 Honda Pilot vehicles manufactured by American Honda Motor Co. (Honda). The complaints state that the rear passenger seat belt warning system is displaying inaccurate information to the driver for both second and third row seating positions. This can lead to the driver dismissing warnings regarding rear seat belt status. The inaccurate information can also cause the driver to believe rear occupants are buckled when they are not. This reliance on false information presents concerns for the safety of children and child seats located in the rear rows, especially in the third row where the buckled status is more difficult for the driver to visually confirm. ODI is opening this Preliminary Evaluation (PE) to determine the scope and severity of the potential problem and to fully assess the potential safety-related issues. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
EA25004 · No Restart After Auto Start/stop Engages
Opened Mar 26, 2025 · No close date supplied
Status: open (inferred from source dates) · Engine And Engine Cooling:engine; Engine And Engine Cooling:engine:crank/camshaft Position Sensor; Engine And Engine Cooling:engine:engine Control Module (ecu/ecm):software; Engine And Engine Cooling:engine:hard Parts Internal/mechanical
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.NHTSA has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
Additional source detail variants (4)
Engine And Engine Cooling:engine:crank/camshaft Position Sensor
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.NHTSA has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
Engine And Engine Cooling:engine:engine Control Module (ecu/ecm):software
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.NHTSA has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
Engine And Engine Cooling:engine:hard Parts Internal/mechanical
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.NHTSA has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
Engine And Engine Cooling:engine
On June 3, 2022, the Office of Defects Investigation (ODI) opened Preliminary Evaluation PE22005 after the agency received VOQs and several field reports concerning the Auto Idle Stop (AIS) feature on 2016-2019MY Honda Pilot vehicles. The complaints allege that the engine fails to restart on its own from a complete stop at a traffic light or road intersection with the AIS function engaged. The subject vehicles are equipped with a 3.5L engine with a 9-speed automatic transmission. On January 6, 2023, Honda released service bulletins 23-008 and 23-009. These service bulletins address the failure to restart issue in the 2016-2019MY Honda Pilot vehicles, as well as the 2015-2020 Acura TLX, 2016-2020 Acura MDX, 2019-2022 Honda Passport, and 2020-2023 Honda Ridgeline vehicles. The repair outlined in the service bulletins is a two-stage countermeasure to remedy the issue. The first stage is a Programmed Fuel Injection (“PGM-FI”) software update. The second stage is only deployed if the software update fails to remedy the issue. The second stage, depending on the model and model year, consists of replacement of the starter assembly, starter relays, and a valve adjustment. Additionally, Honda extended the warranty coverage to 10 years with unlimited mileage for vehicles requiring the second stage component replacement. ODI continues to receive complaints of the AIS failure to restart, with many complainants alleging the campaign countermeasures had been completed.NHTSA has reviewed Honda's Information Request Letter responses involving warranty claims, lawsuits, and consumer complaints in addition to ODI's own data. This Engineering Analysis is being opened to further consider the potential safety defect, including gathering additional data regarding Honda’s service campaign efficacy. ODI is additionally expanding the scope to encompass all vehicles addressed in Honda’s service bulletins 23-008 and 23-009 as well as newer model year vehicles, which are substantially similar to the vehicles covered by the service campaign. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.
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