2021 Acura Ilx problems, complaints & recalls
Most-reported problem areas: Lane Departure: Warning (2) · Air Bags (2) · Visibility:windshield (1)
🧭 Reliability snapshot
Compared against other Acura Ilx model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (36)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2024-05-01 · B24040A · Other
service news - due to on-board diagnostic (obd) regulation change starting with 2019 vehicles, american honda’s variable valve timing and lift electronic control (vtec) on-board diagnostic monitors are now included in the egr/vvt obd monitor readiness status group. due to some customer’s driving pat
Exterior Lighting:headlights 2023-08-24 · B23-012 · Service Bulletin/Repair Instructions
service bulletin - vehicle owner notices condensation or moisture trapped inside one or both headlight assemblies that does not evaporate from the lamp due to the headlight making contact with a body panel creating a separation in the adhesive between the headlight lens and the housing, allowing moi
Structure 2023-06-09 · B23-012 · Service Bulletin/Repair Instructions
service bulletin - the headlight making contact with a body panel can create a separation in the adhesive between the headlight lens and the housing, allowing moisture to enter the headlight.
Exterior Lighting 2022-12-06 · BTI&12062022 · Service Bulletin/Repair Instructions
dealer message - american honda motor co., inc. (ahm) is searching for certain 2019-2022 ilxs with a client complaint of moisture/condensation in the headlights. to better understand the cause of this condition, ahm would like to inspect the vehicle prior to you attempting a repair of any kind.
Exterior Lighting:headlights 2022-11-28 · BTI&11282022909 · Service Bulletin/Repair Instructions
dealer message - american honda motor co., inc. (ahm) is searching for certain 2019-2022 ilxs with a client complaint of moisture/condensation in the headlights. to better understand the cause of this condition, ahm would like to inspect the vehicle prior to you attempting a repair of any kind.
Exterior Lighting 2022-11-12 · BTI&11122022908 · Service Bulletin/Repair Instructions
dealer message - american honda motor co., inc. (ahm) is searching for certain 2019-2022 ilxs with a client complaint of moisture/condensation in the headlights. to better understand the cause of this condition, ahm would like to inspect the vehicle prior to you attempting a repair of any kind.
Showing the 6 most recent of 36 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-03-20 · Lane Departure: Warning“i am reporting a severe and hazardous safety defect in my 2021 acura ilx involving water intrusion into the headlight assembly, resulting in electrical failure of critical lighting and signaling components. due to an apparent manufacturing defect in the headlight sealing, moisture is entering the housing and is visibly present as condensation, dire…”
2026-03-20 · Lane Departure: Warning“ am reporting a serious safety defect in my 2021 acura ilx involving the front headlight assembly. water is entering the headlight housing due to what appears to be a manufacturer sealing defect, with visible condensation inside. this is causing electrical malfunction, including intermittent failure of the turn signal (blinker) and inconsistent hea…”
2025-12-19 · Air Bags · 💥 crash“i am submitting this complaint regarding a 2021 acura ilx (vin: [xxx] ) that has been unreleasable for an extended period due to manufacturer inability to supply a required safety component. the vehicle was involved in an accident on july 6, 2025 and delivered to caliber collision in corpus christi, texas. all accident-related repairs have been co…”
2024-07-30 · Unknown Or Other“my vehicle continues to accelerate when i press the gas pedal, and it sometimes makes clicking noises from underneath during acceleration. occasionally, it veers to one side even when i keep the steering wheel straight. at times, it gives a warning and vibrates as if i'm merging into another lane. when i press the gas, the engine revs, but the car …”
2024-02-29 · Visibility:windshield · 9,600 mi“the contact owns a 2021 acura ilx. the contact stated that while driving at an undisclosed speed, he became aware that the white lines on the road appeared curved through the windshield. the contact then noticed that the windshield was distorted. the vehicle was taken to the dealer, where the contact was informed that the windshield was delaminatin…”
2024-01-22 · Exterior Lighting:headlights“upon and after raining the headlights leak and water enters the inside of the headlights. it my cause a short. unsafe driving conditions at night. …”
2023-10-20 · Unknown Or Other“it is acura ilx 2021. the current mileage is 17,480. what component or system failed or malfunctioned, and is it available for inspection upon request? *driveshaft/suspension is broken after inspection. how was your safety or the safety of others put at risk? *intense shaking coming from underneath the vehicle. worn out u-joints, couplers or car…”
2023-10-02 · Seat Belts“the contact owns a 2021 acura ilx. the contact stated that after entering the vehicle, he became aware that the driver's seat belt was stuck and would not uncoil. no warning lights were illuminated. the vehicle was taken to an independent mechanic, who diagnosed a failure with the seat belt assembly. the vehicle was not repaired. the manufacturer w…”
2022-12-23 · Forward Collision Avoidance: Warnings · 💥 crash“electrical failure. safety was an issue with vehicle needing constant jumps. problem was checked at dealer. my concern was continuously overlooked. warning lamps didn't warn.…”
2022-01-13 · Air Bags · 2,000 mi · 💥 crash“the contact owns a 2021 acura ilx. the contact stated while attempting to park the vehicle, the airbag deployed without impact which resulted in the contact crashing into a pole. the contact sustained a hurt knee and headaches that required medical treatment. the vehicle was towed to a local dealer where it was awaiting repairs. the contact stated …”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.