Recall Date: October 29, 2026
NHTSA ID: 26V721
Mfr. Campaign Number: KQB, TQA
Manufacturer: Honda (American Honda Motor Co.)
Affected Components: Electronic power steering (EPS) rack assemblies (rewritable), supplied by Robert Bosch Automotive Steering LLC
Potential Number of Units Affected: 635,808
|
Model |
Model Years |
Units Potentially Involved |
|---|---|---|
|
Acura TLX |
2021-2025 |
75,598 |
|
Acura MDX |
2022-2024 |
177,100 |
|
Honda Pilot |
2023-2025 |
383,110 |
The supplier developed EPS software with an error in the Driver Attention Monitor road-condition compensation calculation, plus an improperly configured response to the resulting internal error. In specific conditions, the software can divide by zero, which triggers the error, and the EPS was set up to respond by disabling power steering assist. When that happens, the EPS warning indicators light up in the instrument cluster. Without power assist, steering effort increases, which can reduce vehicle controllability and raise the risk of a crash or injury.
Honda received its first report on November 29, 2021. Its investigation was slowed because error codes were deleted by the dealer or supplier, so returned parts showed no problems. The supplier identified the failure through market-return analysis in August 2025, and Honda recreated the issue in December 2025 using dashcam footage. As of October 22, 2026, Honda had 146 warranty claims, one report of an injury, and no reports of a death related to this issue.
Registered owners will be contacted by mail and asked to bring their vehicle to an authorized Honda or Acura dealer. The dealer will reprogram the EPS control unit with improved software. The affected models are no longer in production.
Dealer notification was scheduled for about October 30, 2026, and owner notification letters are scheduled for about December 14, 2026. With more than 635,000 vehicles involved and a software reflash as the remedy, Honda and Acura stores should expect a steady stream of recall visits once letters go out.
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