Soft Brake Pedal During Hard Braking
The brake pedal feels soft or spongy when applying hard braking, indicating a potential issue with the brake hydraulic system or brake components.
Diagnosis Details
Possible Causes
Air in the brake lines (contaminated brake fluid)
Worn brake pads or brake shoes
Brake fluid leak (master cylinder, calipers, or lines)
Faulty brake master cylinder (internal bypass)
Related OBD-II Codes
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What You Should Do
Check brake fluid level and condition.
Inspect for leaks at master cylinder, calipers, and lines.
Bleed the brake system to remove air.
If problem persists, test master cylinder and replace if necessary.
Also inspect brake pads for wear.
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
