The Recall Desk
SevereNHTSA·25V859000·Announced 2025-12-11

Honda Recalls 2016-2020 Acura ILX for Brake Master Cylinder Defect

Honda is recalling 2016-2020 Acura ILX vehicles because contaminated brake fluid may deform a seal, causing an internal leak and reduced brake function.

What this means for you

Illness, injury, or structural failure has been reported. Stop using the product immediately and contact the manufacturer for a refund or repair.

Our severity reasoning: The recall involves a structural vehicle defect (brake master cylinder) that reduces brake function and increases the risk of a crash or injury, meeting the criteria for a Severe rating.

Plain-English summary

Honda (American Honda Motor Co.) is recalling certain 2016-2020 Acura ILX vehicles. The recall involves 70,658 vehicles where contaminated brake fluid may cause a seal inside the brake master cylinder to deform. This deformation can lead to an internal brake fluid leak, which reduces brake function.

Reduced brake function can extend the distance required to stop the vehicle, increasing the risk of a crash or injury. No specific injuries or crashes have been reported in the source text.

Dealers will replace the brake master cylinder free of charge. Owner letters were mailed on May 4, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's recall number is RN5. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning December 17, 2025.

The recalled product

Product
ACURA ILX
Brand
ACURA
Manufacturer
Honda (American Honda Motor Co.)
Category
Vehicle — Brake System
Hazard
Affected units
70,658

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (1)

  • ILX

Distribution

Distributed nationwide across the United States.

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