OBD-II Error Code C1424: How to Fix Brake Actuator Solenoid Circuit Issue in Subaru EyeSight/ABS

Medium 1-2 hours High Severity Verified June 2026
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Error Code
C1424
Brand
OBD-II Generic
Product Type
automotive
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
Error code C1424 indicates a problem with the brake actuator solenoid circuit in your Subaru's EyeSight or ABS system. This can affect braking performance and vehicle stability. The issue is often caused by a faulty solenoid, wiring problem, or control module failure.
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Tools You'll Need

How to Fix Error Code C1424

  1. Safety First: Disconnect Battery

    Always disconnect the battery before working on any brake system components.

  2. Locate the Brake Actuator Assembly

  3. Inspect Wiring and Connectors

    Be careful not to damage the connector pins.

  4. Test the Solenoid Resistance

  5. Check Brake Fluid Level and Condition

    Brake fluid is corrosive; avoid contact with painted surfaces.

  6. Clear the Code and Test Drive

    If the ABS warning light remains on, do not drive the vehicle at high speeds.

Parts You May Need

Brake actuator solenoid (generic)
Check Price on Amazon
OBD2 scanner
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Brake actuator solenoid (generic)
Check Price on Amazon
OBD2 scanner
Check Price on Amazon
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When to Call a Professional

If you are not comfortable working with brake systems or if the code persists after checking wiring and solenoids, take your vehicle to a qualified mechanic. The brake actuator module may need professional programming or replacement.

Frequently Asked Questions

Can I drive my car with error code C1424?
It is not recommended. The ABS and stability control systems may be disabled, increasing the risk of skidding or loss of control in emergency situations.
How much does it cost to fix error code C1424?
Costs vary. Replacing a brake actuator solenoid can range from $200 to $800, including parts and labor. Diagnosis at a shop may cost $100-$150.
Can a bad battery cause error C1424?
Yes, low battery voltage can trigger solenoid circuit faults. Ensure your battery is fully charged and in good condition before replacing parts.
What does the brake actuator solenoid do?
The solenoid controls hydraulic pressure to individual brake calipers during ABS and stability control events. A fault can cause improper braking.
Does error C1424 affect all Subaru models equally?
It is common in Subaru models with EyeSight and ABS, including Outback, Forester, Legacy, and Impreza. The troubleshooting steps are similar.

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