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Honda is recalling more than 635,000 vehicles in the U.S. because of a software defect that could cause drivers to lose power steering assistance, increasing the risk of a crash.
The recall affects 635,808 Honda and Acura vehicles, including certain Honda Pilot SUVs and Acura MDX and TLX models, according to a report filed with the National Highway Traffic Safety Administration (NHTSA).
Honda reported one injury and 146 warranty claims related to the issue as of Oct. 22. The automaker said it had received no reports of deaths connected to the defect.
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The problem stems from improperly configured electronic power steering software that can cause the system to enter a failsafe mode under certain driving conditions, according to the recall report.
When that happens, power steering assistance shuts off and warning indicators illuminate on the vehicle’s instrument cluster. Drivers can still steer, but doing so requires more effort, potentially making the vehicle harder to control and increasing the risk of a crash.
The recall includes 383,110 Honda Pilot SUVs from the 2023 through 2025 model years, 177,100 Acura MDX SUVs from the 2022 through 2024 model years and 75,598 Acura TLX sedans from the 2021 through 2025 model years.
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The defect involves software developed by automotive supplier Robert Bosch Automotive Steering LLC, according to Honda’s filing.
Honda said the software contains an error in a calculation associated with the vehicle’s Driver Attention Monitor system. Under certain conditions, the error can trigger a response that disables power steering assistance.
The automaker first received a report of the issue in November 2021 and continued investigating additional reports in subsequent years.
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Its supplier identified the failure in August 2025, and Honda was able to reproduce the problem in December of that year.
In February 2026, Honda confirmed the issue occurs only under certain operating conditions while a vehicle is traveling straight.
Honda determined on Oct. 22 that the defect posed a motor vehicle safety risk and decided to issue a recall.
A representative for Honda did not immediately respond to FOX Business’ request for comment.
| Ticker | Security | Last | Change | Change % |
|---|---|---|---|---|
| HMC | HONDA MOTOR CO. LTD. | 34.88 | -0.96 | -2.68% |
Affected vehicle owners will be instructed to bring their cars to an authorized Honda or Acura dealership, where technicians will reprogram the electronic power steering control unit with updated software.
Honda plans to begin mailing owner notification letters on Dec. 14, according to the NHTSA filing.
Owners can check whether their vehicle is subject to an open recall by entering their vehicle identification number at NHTSA.gov/recalls.
