2021 Acura ILX Other or unknown 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 other or unknown 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.
“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 doesn't accelerate. Issues have been ongoing but dealership where I got the car from wants to charge me inspection fees per symptom.”
NHTSA complaint #11605515, filed 2024-07“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 carrier bearings can cause the driveshaft to vibrate and make noise when passing over bumps and potholes. If not fixed, it can lead to further damage to other drivetrain components. …”
NHTSA complaint #11551027, filed 2023-10“Vehicle suddenly decelerated without warning. Transmission would not shift to a higher gear causing the vehicle rev. Warning lights on the dashboard started going off at the same time. Lanes departure and adaptive cruise control warning went off. Had to have vehicle towed to dealership. Lucilky this happened on a rural backroad and not on the freeway or busy road as someone could have rear-ended the vehicle. Dealership was given video of incident and couldn't replicate the issue and we were told that the car did not store any of the error codes for the warning lights that came on the dash. …”
NHTSA complaint #11431446, filed 2021-09Other or unknown: other model years
Other parts of the 2021 Acura ILX
3 complaintsLane departure
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 29, 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