Overview

• The inquiry covers 2018–2020 Acura TLX, 2016–2020 Acura MDX, 2016–2020 Honda Pilot, 2018–2020 Honda Odyssey, and 2017–2019 Honda Ridgeline models.
• In an August 20 letter, regulators said they are reassessing scope and safety after closing an earlier investigation into similar complaints.
• NHTSA has logged 414 reports of connecting rod bearing problems in vehicles equipped with Honda’s 3.5-liter V6 engine.
• Honda previously recalled about 249,000 vehicles in November 2023 to address a crankshaft-related defect linked to premature bearing wear and engine failure.
• Reported failures can seize the engine and cause sudden power loss, and earlier findings described an elevated fire risk.