Recall 25V859000: Honda (American Honda Motor Co.), service brakes, hydraulic:foundation components:master cylinder
Reported 2025-12-11 · vehicle recall · 70,658 units
- Recallroll API $5 pack $5 for 400 calls of up to 10 VINs, never expires: VIN decode plus every open NHTSA recall per vehicle, Do Not Drive first, by REST API or MCP. Pay by card, your API key is on screen the moment checkout ends; no account, no subscription.
- US Vehicle Recall Brief: Weekly Edition $9/month: a fresh NHTSA recall brief every Monday (PDF + 5 CSVs): every new campaign ranked, stop-use advisories first, 90-day trends and a script that checks your own vehicle list.
- Recallroll VIN + recall API 50 free calls a day, $5 for 400 calls (no expiry), or $19/month for 2,000: decodes up to 10 VINs per call and lists every NHTSA recall for each vehicle, Do Not Drive first, by API or MCP.
- All Three Monday Briefs: Rates, Recalls + Exploited Vulns $25/month: all three weekly briefs (Treasury/BLS rates & macro, NHTSA recalls, CISA KEV/EPSS) for $25/month instead of $37.
Problem
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.
Risk
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 vehicles
| Make | Model | Year |
|---|---|---|
| ACURA | ILX | 2016 |
| ACURA | ILX | 2017 |
| ACURA | ILX | 2018 |
| ACURA | ILX | 2019 |
| ACURA | ILX | 2020 |
| Manufacturer campaign | RN5 |
|---|---|
| Initiated by | ODI |
| Owner letters | 2026-05-01 |
Original record: NHTSA · JSON: /api/recall/25V859000.json · all recent recalls