2021 Acura ILX Exterior lighting Problems
- Complaints
- 3about this part
- Share
- 27%of 11 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the exterior lighting of the 2021 Acura ILX, 27% of the 11 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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, directly causing system malfunction. This defect leads to intermittent and unpredictable failure of the turn signal (blinker), including failure to activate and spontaneous activation without driver input. …”
NHTSA complaint #11725735, filed 2026-03“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 headlight operation. The components are available for inspection upon request. This defect creates a significant safety hazard. …”
NHTSA complaint #11725734, filed 2026-03Related service bulletins
- 10241471Aug 24, 2023Service 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…
- 10237814Jun 9, 2023Service 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…
- 10227779Dec 6, 2022Dealer 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…
- 10227244Nov 28, 2022Dealer 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…
- 10226211Nov 12, 2022Dealer 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…
Exterior lighting: other model years
Other parts of the 2021 Acura ILX
3 complaintsOther or unknown
3 complaintsAir bags
2 complaintsElectrical system
1 complaintsForward collision avoidance
1 complaintsSeat belts
1 complaintsSuspension
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2021 Acura ILX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology