2021 Acura TLX Type S power train problems
29 owner complaints filed with NHTSA name the power train on the 2021 Acura TLX Type S — 91% of all complaints for this model year.
What owners report
“While accelerating from a stop, I heard a loud bang from the drivetrain area and initially believed another vehicle had struck the rear of my car. After checking my surroundings, I realized there had been no collision. Immediately after the incident, the vehicle lost power delivery to the rear…”
filed May 31, 2026
“The All Wheel Drive (AWD) system of the vehicle became partially inoperable after hearing a loud bang under normal vehicle acceleration some time in early 2025. The vehicle did not trigger or display any warnings stored in the onboard computer or on the dash display that the AWD system had any…”
filed Apr 2, 2026
“The transfer case in my Acura TLX Type S failed due to the internal splines stripping at approximately 57,600 miles. I heard a loud bang while attempting to maneuver out of a parking spot that was covered in snow. When this occurred, the transfer case was no longer able to transfer power to the rear wheels, causing…”
filed Mar 7, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Other reported problem areas on the 2021 Acura TLX Type S
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.