Recall 25V-859
Honda (American Honda Motor Co.) recalled the 2016 to 2020 Acura ILX: Service brakes, hydraulic (foundation components, master cylinder).
At a glance
- Campaign number
- 25V-859
- Reported
- December 11, 2025
- Vehicles affected
- 70,658 estimated by the manufacturer
Source: NHTSA recall records
What is wrong
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.
The risk
Reduced brake function can extend the distance required to stop, increasing the risk of a crash or injury.
The fix
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-[removed]. 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 vehicles
- Acura ILX 2016 to 2020