2021 Acura TLX Type S defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 2021 Acura TLX Type S. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• All wheel drive allegation
  Defect Petition DP26001 · opened Mar 6, 2026 · closed Aug 4, 2026

  The Office of Defects Investigation (ODI) has completed its review of a Petition dated January 9, 2026, requesting an investigation into the loss of the optional all-wheel drive capability in model year (MY) 2021-2023 Acura TLX and MY 2022-2023 Acura MDX vehicles. The Petition alleges failures in the interfacing spline…