2016 Acura Ilx | 2017 Acura Ilx | 2018 Acura Ilx | 2019 Acura Ilx | 2020 Acura Ilx — Service brakes, hydraulic: foundation components: master cylinder
Published December 12, 2025 · Recall initiated: December 11, 2025
Summary
NHTSA records recall 25V859000, published December 12, 2025 and initiated December 11, 2025. Recalling firm: Honda (American Honda Motor Co.); 2016 Acura Ilx | 2017 Acura Ilx | 2018 Acura Ilx | 2019 Acura Ilx | 2020 Acura Ilx — Service brakes, hydraulic: foundation components: master cylinder.
What's the hazard
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.
What to do
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.
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Recall details
- Brand
- ACURA
- Model
- ILX
- Manufacturer
- Honda (American Honda Motor Co.)
- Lot
- 2016 ACURA ILX | 2017 ACURA ILX | 2018 ACURA ILX | 2019 ACURA ILX | 2020 ACURA ILX
- Risk classification
- V
- Country
- US
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Questions about this recall
Was 2016 Acura Ilx | 2017 Acura Ilx | 2018 Acura Ilx | 2019 Acura Ilx | 2020 Acura Ilx — Service brakes, hydraulic: foundation components: master cylinder recalled?
Yes. NHTSA published recall 25V859000 on December 12, 2025. Reported hazard: 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.
What should I do if I have this product?
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.
How do I know if my unit is part of the recall?
Compare your product details with the notice. Brand: ACURA. Model: ILX.