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2022 Honda Pilot

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2022 Honda Pilot do not stand out strongly from the model-year median of 239.5.

About this comparison →

When problems were reported

Mileage at the reported incident

Limited mileage data: 14 of 152 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Forward Collision Avoidance. Review the 40 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

7 crash reports0 fire reports4 injury reports

Unknown Or Other complaints

33 reports
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Mileage unknown · Sep 1, 2026
Electrical SystemUnknown Or Other

My pilot is suffering from the known safety defect where the engine stalls and force shifts into neutral during Auto Idle Stop. The dealership advisor handed me Service bulletin 23-010 admitting my vehicle matches the exact failure criteria. However, they are refusing to cover the failed starter motor under the warranty extensio…

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My pilot is suffering from the known safety defect where the engine stalls and force shifts into neutral during Auto Idle Stop. The dealership advisor handed me Service bulletin 23-010 admitting my vehicle matches the exact failure criteria. However, they are refusing to cover the failed starter motor under the warranty extension, even though Honda’s own technical documents state that the starter failure is a direct consequence of the low cranking torque and the tight engine valves. I need a corporate case manager to open an urgent case and issue a goodwill authorization to cover the starter the 23-010 valve adjustment. We have purchased 8 Hondas in the last 15 years, service has been a main reason for our return but after the experience today I’m not sure we can continue. The problem is a hazard.

NHTSA ODI #11761361

Mileage unknown · Aug 13, 2026
Unknown Or Other

The sunroof opens when double clicking the 'unlock' button on the keyfob. this allows rain to get into the vehicle damaging the car.

NHTSA ODI #11756675

Mileage unknown · Aug 2, 2026
Electrical SystemUnknown Or Other

My car No Restart After Auto Start/Stop Engages I stopped at a stop sign between [XXX], and my vehicle wouldn't start again; the lights started flickering. I had to get my family out of the vehicle, and then I tried to start it using the ignition button; it finally started after several attempts. INFORMATION REDACTED PURSUANT TO…

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My car No Restart After Auto Start/Stop Engages I stopped at a stop sign between [XXX], and my vehicle wouldn't start again; the lights started flickering. I had to get my family out of the vehicle, and then I tried to start it using the ignition button; it finally started after several attempts. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI #11754302

Mileage unknown · Jul 2, 2026
Unknown Or Other

This week I was leaving an event to go home and was driving on a fairly busy local Road came to the stoplight. The light was red, came to a complete stop and waited for the light to turn green. When the light turned green I pressed my gas pedal and my vehicle stalled on me. It completely turned off. I had to reset my vehicle two…

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This week I was leaving an event to go home and was driving on a fairly busy local Road came to the stoplight. The light was red, came to a complete stop and waited for the light to turn green. When the light turned green I pressed my gas pedal and my vehicle stalled on me. It completely turned off. I had to reset my vehicle two times in order to get it started again so that I could make it to my next destination and by resetting it I had to power the vehicle off. I have a push to start vehicle so I have to power the vehicle off and then open my door, close my door then try to start my vehicle again with a push to start. That did not work so I had to do it again the same process and then my vehicle started. I had to then turn on the the button press the button to turn auto idle off. That is how my vehicle was able to drive and not stall on me again. I forgot to turn off that button on my initial trip and that's when my vehicle stalled.

NHTSA ODI #11747949

Mileage unknown · Jun 25, 2026
Fuel/propulsion SystemLane DepartureUnknown Or Other

I was driving home at 4am on I-95 with my children in the car. My car has had a history of "juttering" and making a vibrational noise, but on the way home there was an issue with acceleration when using the gas pedal, and slow to gain speed. There were times when the gas pedal didn't respond to my foot depression at all, and d…

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I was driving home at 4am on I-95 with my children in the car. My car has had a history of "juttering" and making a vibrational noise, but on the way home there was an issue with acceleration when using the gas pedal, and slow to gain speed. There were times when the gas pedal didn't respond to my foot depression at all, and did not accelerate. When I was almost home, many lights came on my dash including: Blind Spot warning, emissions systems problem, transmission problem apply parking brake when parked, stop driving when safe transmission problem see manual. The car is not driveable at this time and sitting in my driveway. I have no idea where to tow it to or what to do or how much it will cost

NHTSA ODI #11746473

Mileage unknown · Jun 2, 2026
Unknown Or Other

Driving on freeway, at speed limit. All was clear. The sunroof spontaneously exploded. Nothing struck it, it just exploded on its own.

NHTSA ODI #11741480

Mileage unknown · May 11, 2026
Forward Collision AvoidanceService BrakesUnknown Or Other

“The vehicle experiences phantom braking while driving, where the Collision Mitigation Braking System (CMBS) activates without warning even when there are no vehicles or objects in front of me. The vehicle suddenly brakes on its own, creating a major safety hazard and risk of rear-end collisions. The issue has happened multiple…

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“The vehicle experiences phantom braking while driving, where the Collision Mitigation Braking System (CMBS) activates without warning even when there are no vehicles or objects in front of me. The vehicle suddenly brakes on its own, creating a major safety hazard and risk of rear-end collisions. The issue has happened multiple times during normal driving at different speeds. Warning lights related to the collision mitigation system and passenger airbag system have appeared intermittently. The blind spot monitoring system has also failed to properly detect nearby vehicles at times. The vehicle was previously taken to the dealership/service department and remained there for an extended period for inspection and attempted repairs, but the problem was not fully corrected. After getting the vehicle back, the same symptoms and braking issues continued. This issue puts myself, my passengers, and other drivers at risk because the vehicle may suddenly brake unexpectedly in traffic.

NHTSA ODI #11737184

Mileage unknown · May 11, 2026
Unknown Or Other

Our sunroof on our Honda 2022 Pilot spontaneously shattered while we were sitting at a stop light. Nothing fell on it and nothing hit, it just suddenly shattered while we were sitting in the stop light.

NHTSA ODI #11736990

Mileage unknown · Feb 11, 2026
Unknown Or Other

Idle engine restart failed. The vehicle went in idle mode at stop light, whe I got green and moved feet off brake to acceleration the engine failed to restart. It happened on 2/3/2026. I turned on hazard light to alert other drivers I was in trouble. I kept getting message on dashboard to put car in park, press the brake and pus…

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Idle engine restart failed. The vehicle went in idle mode at stop light, whe I got green and moved feet off brake to acceleration the engine failed to restart. It happened on 2/3/2026. I turned on hazard light to alert other drivers I was in trouble. I kept getting message on dashboard to put car in park, press the brake and push engine start. It did not work for a while I stepped out of vehicle unlocked stepped back in then I could start the engine. The second occurrence was 2/7/2026. This was a major intersection. Same thing happened, situation lasted longer, traffic built up behind me I had to call 911, I step out the vehicle to open the hood in addition to having hazard light on for my safety. I tow truck came along. When he open vehicle and got in, the engine started. I was at dealership today 2/11/2026 they indicated no fault was found. While waiting for my appointment today I have been turning off the automatic idle feature every time I get in the car.

NHTSA ODI #11717374

Mileage unknown · Jan 9, 2026
Unknown Or Other

While driving on I-26 at 60 MPH at approximately 2PM on 01/08/2026 the sunroof exploded. It was not struck by anything, no other vehicle was within a half mile of us at the time. Fortunately the cover was closed because we do not use the sunroof. It has only been opened one time a the delership the day the car was delivered new.…

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While driving on I-26 at 60 MPH at approximately 2PM on 01/08/2026 the sunroof exploded. It was not struck by anything, no other vehicle was within a half mile of us at the time. Fortunately the cover was closed because we do not use the sunroof. It has only been opened one time a the delership the day the car was delivered new. This sunroof explosion was loud and frankly scared the heck out of us. Had the cover not been kept closed we would have been showered by broken glass. This could have easley resulted in a driver panic and a crash. I feel this is a manufacturing defect and based on numbers of events through various Honda models and years should covered by Honda recall/warranty coverage.

NHTSA ODI #11709870

Official recalls

5

26V365000 · Structure:frame And Members; Suspension:rear

Jun 4, 2026

American Honda Motor Company (Honda) is recalling certain 2016-2022 Honda Pilot, 2017-2023 Ridgeline, 2019-2023 Passport, and 2014-2020 Acura MDX vehicles that were sold in Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, or Wisconsin. The rear subframe may corrode at the suspension mounting points, which can result in rear suspension component failure.

Consequence & remedy

Consequence: Failure of rear suspension components, such as the rear control arm, can cause a loss of vehicle handling and control, increasing the risk of a crash or injury.

Remedy: Dealers will inspect the rear subframe and install a rear subframe reinforcement kit and, as necessary, repair or replace the rear subframe components, free of charge. Interim letters notifying owners of the safety risk were mailed July 27, 2026. Additional letters will be sent once the final remedy is available, anticipated in the fall of 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are AOU and AOT. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov beginning June 10, 2026.

Additional source detail variants (2)

Structure:frame And Members

American Honda Motor Company (Honda) is recalling certain 2016-2022 Honda Pilot, 2017-2023 Ridgeline, 2019-2023 Passport, and 2014-2020 Acura MDX vehicles that were sold in Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, or Wisconsin. The rear subframe may corrode at the suspension mounting points, which can result in rear suspension component failure.

Consequence: Failure of rear suspension components, such as the rear control arm, can cause a loss of vehicle handling and control, increasing the risk of a crash or injury.

Remedy: Dealers will inspect the rear subframe and install a rear subframe reinforcement kit and, as necessary, repair or replace the rear subframe components, free of charge. Interim letters notifying owners of the safety risk were mailed July 27, 2026. Additional letters will be sent once the final remedy is available, anticipated in the fall of 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are AOU and AOT. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov beginning June 10, 2026.

Suspension:rear

American Honda Motor Company (Honda) is recalling certain 2016-2022 Honda Pilot, 2017-2023 Ridgeline, 2019-2023 Passport, and 2014-2020 Acura MDX vehicles that were sold in Connecticut, Delaware, District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, Virginia, West Virginia, or Wisconsin. The rear subframe may corrode at the suspension mounting points, which can result in rear suspension component failure.

Consequence: Failure of rear suspension components, such as the rear control arm, can cause a loss of vehicle handling and control, increasing the risk of a crash or injury.

Remedy: Dealers will inspect the rear subframe and install a rear subframe reinforcement kit and, as necessary, repair or replace the rear subframe components, free of charge. Interim letters notifying owners of the safety risk were mailed July 27, 2026. Additional letters will be sent once the final remedy is available, anticipated in the fall of 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are AOU and AOT. Vehicle Identification Numbers (VINs) involved in this recall will become searchable on NHTSA.gov beginning June 10, 2026.

26V332000 · Air Bags:sensor:occupant Classification:front Passenger

May 21, 2026

Honda (American Honda Motor Co.) is recalling certain 2018-2021, 2023 Acura TLX, 2019-2024 RDX, 2017-2020, 2022-2026 MDX, 2017-2021, 2023, 2025 Honda Ridgeline, 2017-2022 Pilot, 2019-2021 Passport, 2018-2026 Odyssey, 2019-2022 Insight, 2019-2021 HR-V, 2018-2020 Fit, 2020-2022 CR-V Hybrid, 2017-2022 CR-V, 2017-2018, 2021 Civic Type R, 2017-2021 Civic hatchback, 2016-2020 Civic coupe, 2016-2022 Civic, 2017-2022 Accord Hybrid, and 2016-2022 Accord vehicles. The front passenger seat weight sensor may crack and short circuit, which can cause the air bags to deploy unintentionally during a crash.

Consequence & remedy

Consequence: Air bags that deploy unintentionally during a crash increase the risk of injury.

Remedy: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed July 7, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are BOL, WO9, OOA, WOM, XOH, NOC, POD, BOE, UOF, POB, EOG, AOI, QO8, TOJ, DO7, and SOK. This recall expands previous NHTSA recall number 24V064. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 29, 2026.

24V064000 · Air Bags:sensor:occupant Classification:front Passenger

Feb 1, 2024

Honda (American Honda Motor Co.) is recalling certain 2020-2022 Pilot, Accord, Civic sedan, HR-V, Odyssey, 2020 Civic coupe, Fit, 2021-2022 Civic hatchback, 2021 Civic Type R, Insight, 2020-2021 CR-V, CR-V Hybrid, Passport, Ridgeline, Accord Hybrid, 2020 Acura MDX, 2022 Acura MDX, 2020-2022 Acura RDX, and 2020-2021 Acura TLX vehicles. The front passenger seat weight sensor may crack and short circuit, failing to suppress the air bag as intended.

Consequence & remedy

Consequence: An air bag that deploys unintentionally during a crash can increase the risk of injury.

Remedy: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed March 28, 2024. This is a phased recall. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls are XHP and VHQ.

23V458000 · Service Brakes, Hydraulic:foundation Components:master Cylinder

Jun 29, 2023

Honda (American Honda Motor Co.) is recalling certain 2020-2021 Civic, 2020-2023 Ridgeline, 2021-2023 Passport, 2021-2022 Pilot, and 2020 Acura MDX vehicles. The tie rod fastener that connects the brake booster and the brake master cylinder may have been improperly assembled during manufacturing, which can cause the brake master cylinder to separate from the booster assembly.

Consequence & remedy

Consequence: Brake master cylinder separation can cause a loss of brake function and increase the risk of a crash.

Remedy: Dealers will inspect and repair the brake booster assembly as necessary, free of charge. Owner notification letters were mailed August 7, 2023. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are VEU, AEV, and ZET.

23V431000 · Back Over Prevention:display Function

Jun 15, 2023

Honda (American Honda Motor Co.) is recalling certain 2018-2023 Odyssey, 2019-2022 Pilot, and 2019-2023 Passport vehicles. Due to a faulty Media Oriented Systems Transport (MOST) communication coaxial cable connector, the rearview camera image may not appear on the display. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Consequence & remedy

Consequence: A rearview camera that does not display an image can reduce the driver's rear view, increasing the risk of a crash or injury.

Remedy: Dealers will replace the MOST cable harness and install a straightening cover over the vehicle cable connector, free of charge. Owner notification letters were mailed July 24, 2023. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are EEL, ZEM, and SFC.

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

1

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.