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 air in the lines.
Diagnosis Details
Possible Causes
Air in the brake lines (contaminated brake fluid or low fluid level)
Worn brake pads or rotors causing reduced braking force
Brake master cylinder failure (internal leakage or worn seals)
Related OBD-II Codes
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What You Should Do
Check brake fluid level and condition; bleed the brake system to remove air.
Inspect brake pads and rotors for wear.
If problem persists, test master cylinder for leaks or internal failure.
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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.