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Can sudden unintended acceleration cause a crash in Tennessee?

On Behalf of | Jan 30, 2026 | Car Accidents

Most drivers expect their car to follow their lead. When a vehicle speeds up without warning, the experience feels terrifying. Sudden unintended acceleration (SUA) happens when a car surges forward even if the driver does not press the gas pedal. This can lead to serious crashes in parking lots or on busy highways. In Tennessee, these accidents are subject to specific safety and legal rules.

What sudden unintended acceleration means

SUA occurs when an engine revs or a car surges while the driver is idling or braking. Several possible causes exist:

  • Mechanical issues: A stuck gas pedal or floor mats that trap the pedal.
  • Electronic defects: Software errors in the car’s computer system.
  • Human factors: Brief confusion between the brake and gas pedals.

Because these events happen so fast, a driver may have only seconds to react. Even a small burst of speed can cause a collision with another car, a building or a person walking nearby.

Legal issues in Tennessee crashes

If a crash happens in Tennessee, responsibility plays a major role in any injury claim. Tennessee follows a modified comparative fault system with a 49% cutoff. An injured person can seek compensation only if their share of fault stays below half. When a jury places exactly 50% of the blame on you, the law blocks any recovery.

Evidence plays a vital role in these cases. Investigators review black box data, repair records and witness statements. These claims often fall under product liability law, which asks whether a car contained a dangerous defect. However, Tennessee enforces a strict 10-year Statute of Repose. If someone first bought the car more than 10 years ago, the law may bar you from suing the manufacturer for a defect even if the car failed.

Finally, you must act quickly. Tennessee gives injured people only one year to file a personal injury lawsuit.

Why speaking with an attorney can help

Sudden acceleration cases are complex because they involve technical data and disputed blame. A lawyer can help you gather evidence and meet the strict one-year deadline. Even a short talk can help you understand your rights under Tennessee law.

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