2021 Acura TLX Suspension Problems
- Complaints
- 6about this part
- Share
- 8%of 72 total for the year
- Median mileage
- 91,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the suspension of the 2021 Acura TLX, 8% of the 72 complaints for this model year. Where a mileage was given, the median is 91,000 miles.
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 submitting this complaint regarding a major drivetrain failure in my 2021 Acura TLX Type S SH-AWD with approximately 86,643 miles. My vehicle experienced a complete loss of AWD. The front two wheels are receiving power, but the rear wheels are no longer receiving power. An independent mechanic initially diagnosed a transfer-case/drivetrain failure and advised that the transmission may also be involved. I then took the vehicle to OH Acura of Temecula, where the Acura dealership independently diagnosed the vehicle with transmission and transfer-case failure. …”
NHTSA complaint #11768412, filed 2026-10“Dealers are investigating and need replacing rear shocks/solenoids, stroke sensors, and wiring harnesses. The issue is commonly identified as corrosion in the rear stroke sensor wiring harness or faulty damper make Adaptive Damper System (ADS) error light on and can't not make change for the setting as acura design issue !”
NHTSA complaint #11738440, filed 2026-05“The contact owns a 2021 Acura TLX. The contact stated that while driving over a bump in the roadway, there was a squeaky metallic sound coming from the front passenger’s side suspension. The cause of the failure was not yet determined, and the vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure and advised the contact to have the vehicle diagnosed. The failure mileage was 91,000.”
NHTSA complaint #11659887, filed 2025-05, 91,000 miles“The transfer case blows up and which causes the all-wheel-drive system of the car to go away and the car becomes from wheel drive which changes the way the car drives and makes it very dangerous. The car has a lot of oversteer and this is very dangerous to highway roads.”
NHTSA complaint #11633510, filed 2025-01“Adaptive Damper System error on dashboard. Took the car to the dealer and they confirmed two issues. Codes C1646-14 and C1647-14 indicating the stroke sensor has lower limit abnormality. Dealer recommended replacing both rear shocks due to over extension. Once shocks were replaced, codes returned. During further investigation, corrosion was found in the stroke sensor wiring harness. Harness is the root cause of the issue. Car is available at the dealer for inspection if necessary. …”
NHTSA complaint #11717853, filed 2026-02Related service bulletins
- 11014327Feb 12, 2025Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADV’s and 2021-2025 TLX Type S’s with a client complaint of the “Adaptive Damper…
- 11013338Jan 24, 2025Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADV’s and 2021-2025 TLX Type S’s with a client complaint of the “Adaptive Damper…
- 11013127Jan 18, 2025Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADV’s and 2021-2025 TLX Type S’s with a client complaint of the “Adaptive Damper…
- 11013111Jan 3, 2025Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADV’s and 2021-2025 TLX Type S’s with a client complaint of the “Adaptive Damper…
- 11011797Dec 3, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADV’s and 2021-2025 TLX Type S’s with a client complaint of the “Adaptive Damper…
- 11010681Nov 14, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADV’s and 2021-2025 TLX Type S’s with a client complaint of the “Adaptive Damper…
- 11010123Oct 30, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADV’s and 2021-2025 TLX Type S’s with a client complaint of the “Adaptive Damper…
- 11009195Oct 11, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021-2023 TLX ADV’s and 2021-2025 TLX Type S’s with a client complaint of the “Adaptive Damper…
- 11008046Sep 21, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2025 MDX Type S's & 2021-2025 TLX ADV's or Type S's with a client complaint of the “Adaptive…
- 11007893Sep 10, 2024Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2022-2025 MDX Type S's & 2021-2025 TLX ADV's or Type S's with a client complaint of the “Adaptive…
Suspension: other model years
Other parts of the 2021 Acura TLX
28 complaintsBrakes
11 complaintsElectrical system
10 complaintsOther or unknown
10 complaintsAir bags
8 complaintsForward collision avoidance
8 complaintsFuel system
6 complaintsEngine
5 complaintsLane departure
3 complaintsSteering
3 complaintsBack-over prevention (rear camera)
1 complaintsEquipment
1 complaints
← All problems reported for the 2021 Acura TLX
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