NHTSA recall 25V-859 (25V859000)
service brakes, hydraulic recall reported December 11, 2025 - about 70,658 vehicles affected.
- NHTSA campaign number
- 25V859000
- Also written as
- 25V-859
- Manufacturer number
- RN5
- Reported
- December 11, 2025
- Vehicles affected
- ~70,658
- Component
- service brakes, hydraulic
What is being recalled
Honda (American Honda Motor Co.) is recalling certain 2016-2020 Acura ILX vehicles. Contaminated brake fluid may cause a seal inside the brake master cylinder to deform, which can cause an internal brake fluid leak and reduce brake function.
Why it is dangerous
Reduced brake function can extend the distance required to stop, increasing the risk of a crash or injury.
The fix (free at any franchised dealer)
Dealers will replace the brake master cylinder, free of charge. Owner letters were mailed May 4, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's number for this recall is RN5. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning December 17, 2025. The information in your report suggests that Honda (American Honda Motor Co.) may have been aware of this issue more than five business days before filing a report with NHTSA. Please be reminded that under Federal law, this agency is to be notified of all safety defect and/or noncompliance decisions within five business days. 49 CFR 573.6 Significant civil penalties can be assessed for this violation.
Recall repairs are always free, regardless of vehicle age or where you bought the car. Quote the campaign number 25V-859 when calling a dealer.
Affected 1 model
Each year links to that car's full history: every recall, owner complaints and common problems.
Source: NHTSA recall campaign data (public domain), refreshed weekly. See also the latest recall campaigns.