There are 1 owner-reported engine complaints for the 2015 Acura RLXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2015 ACURA RLX. THE CONTACT STATED THAT WHILE DRIVING, THERE WAS A KNOCKING SOUND COMING FROM THE ENGINE COMPARTMENT PRIOR TO THE VEHICLE STALLING. THE CONTACT WAS UNABLE TO RESTART THE VEHICLE. THE VEHICLE WAS TOWED TO DUVAL ACURA LOCATED AT 11225 ATLANTIC BLVD, JACKSONVILLE, FL 32225; WHO DIAGNOSED THAT THE TIMING TENSIONER FAILED, CAUSING THE ENGINE TO SEIZE. THE VEHICLE WAS NOT YET REPAIRED. THE MANUFACTURER WAS NOT YET NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 129,600.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026