NHTSA Recall 25V859000: Service Brakes, Hydraulic

Component recorded by NHTSA

Service Brakes, Hydraulic › Foundation Components › Master Cylinder

Campaign summary

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.

Consequence

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

Remedy in the source record

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.

Confirm current remedy eligibility, parts availability, and completion status with NHTSA, the manufacturer, or an authorized dealer.

Catalog coverage

Vehicle pages represented here

5 pages

This list reflects vehicle pages in MyRecallCheck, not necessarily the campaign's full affected population or every affected product. Use the official VIN lookup for applicability.

Year	Make	Model
2016	Acura	ILX
2017	Acura	ILX
2018	Acura	ILX
2019	Acura	ILX
2020	Acura	ILX