answer
What this official recall record says
NHTSA campaign 25V859000 was received on 2025-12-11 and is associated with 5 source rows covering 5 listed vehicle applications. The manufacturer shown in the record is Honda (American Honda Motor Co.).
- applications
- 5
- campaign number
- 25V859000
- potential units
- 70,658
- manufacturer campaign number
- RN5
SOURCES
- NHTSA recall 25V859000National Highway Traffic Safety Administration · primary source
safety
What the owner should do next
Check the VIN in the official recall lookup. If the campaign applies, contact an authorized dealer about the remedy; recall remedies are normally handled through the manufacturer program. If warning signs or unsafe operation are present, stop driving and arrange safe transport.
- do not drive
- No
- park outside
- No
- vin check required
- Yes
- recommended channel
- dealer
SOURCES
- NHTSA VIN recall lookupNational Highway Traffic Safety Administration · primary source
causes
Defect described in the recall record
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.
- campaign number
- 25V859000
- official record
- NHTSA recall
safety
Safety consequence in the official record
Reduced brake function can extend the distance required to stop, increasing the risk of a crash or injury.
- do not drive
- No
- park outside
- No
repair options
Official 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.
- vin applicability required
- Yes
- dealer confirmation required
- Yes
applicability
Vehicle applications listed for this campaign
The normalized NHTSA rows contain 5 applications across 1 makes and 1 model labels. This list describes campaign records, not confirmation that an individual VIN is open or unrepaired.
- listed application count
- 5
components
- SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
applications
- ACURA
- ACURA
- ACURA
- ACURA
- ACURA
SOURCES
- NHTSA recall datasets and APIsNational Highway Traffic Safety Administration · primary source
methodology
Limits of this database record
Campaign applicability and remedy completion are VIN-specific and can change. This page summarizes the official campaign record; it does not inspect the vehicle, determine whether a symptom is caused by the recalled defect, or replace current instructions from NHTSA or the manufacturer.
- source rows
- 5
- vin check required
- Yes
- individual vehicle verified
- No