Recall 25V859000: 2016–2020 Acura ILX

Report received

Dec 11, 2025

Manufacturer

Honda (American Honda Motor Co.)

Potentially affected

70,658vehicles

Model years

2016–2020

Check your own vehicle. A recall applies only to vehicles within the affected build range. Enter your VIN at nhtsa.gov/recalls. Recall repairs are free at a franchised dealer.

What NHTSA recorded

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.

Possible consequence

Reduced brake function can extend the distance required to stop, increasing the risk of a crash or injury.

Remedy

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.

Affected model years

Pages for each model year show complaints, parts, mileage and other recalls.

• 2016 Acura ILX52 complaints
• 2017 Acura ILX20 complaints
• 2018 Acura ILX23 complaints
• 2019 Acura ILX36 complaints
• 2020 Acura ILX10 complaints