PlainRecalls
NHTSA Critical Active

ACURA 2016-2020: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Reported: December 11, 2025 Initiated: December 11, 2025 #25V859000

Product Description

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.

Reason for Recall

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.

Hazard

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. Interim letters notifying owners of the safety risk were mailed February 3, 2026. Additional letters will be sent once the final remedy is available. 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

Details

Recalling Firm
ACURA
Distribution
United States

Frequently Asked Questions

What product was 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.. Recalled by ACURA.
Why was this product 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.
What should consumers do?
Dealers will replace the brake master cylinder, free of charge. Interim letters notifying owners of the safety risk were mailed February 3, 2026. Additional letters will be sent once the final remedy is available. 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
Which agency issued this recall?
This recall was issued by the NHTSA on December 11, 2025. Severity: Critical. Recall number: 25V859000.