NHTSA Opens Multiple New Vehicle Component Investigations

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1. Sep 20, 2026

   Truck / 18-Wheeler Accident

   NHTSA Opens Several New Vehicle Safety Investigations

   Between late July and mid-September 2026, NHTSA opened multiple investigations into vehicle safety concerns, including brake module failures, intermittent loss of braking, loss of motive power, driveshaft-to-differential connection failure, lower lateral link detachment, timing belt failure, and heat exchanger damage from road debris.

   Source: nhtsa.gov

2. Sep 18, 2026

   Truck / 18-Wheeler Accident

   NHTSA Opens Multiple Investigations Into Drivetrain, Engine, and Brake Failures

   The National Highway Traffic Safety Administration (NHTSA) opened a new investigation on September 14, 2026, into a driveshaft-to-rear-differential connection failure. In the weeks prior, NHTSA also opened separate investigations into a timing belt failure (July 31), engine failure after a recall remedy leading to loss of motive power (August 20), a second loss-of-motive-power issue (September 3), and an electronic brake module component failure (August 21). These mechanical failure modes are relevant to commercial vehicle safety because sudden loss of power or braking can contribute to roadway crashes.

   Source: nhtsa.gov

3. Sep 17, 2026

   Truck / 18-Wheeler Accident

   NHTSA Opens Multiple Investigations Into Truck Driveline, Power, and Brake Failures

   Between August and September 2026, NHTSA opened separate investigations into a driveshaft-to-rear-differential connection failure (opened September 14, 2026), loss of motive power (opened September 3, 2026), an electronic brake module component failure (opened August 21, 2026), and a lower lateral link detachment issue (opened July 29, 2026). Each matter is a distinct, ongoing regulatory inquiry, per NHTSA.

   Source: nhtsa.gov