Soft Brake Pedal Diagnosis
The brake pedal feels soft and spongy at all times, indicating a potential issue with the brake hydraulic system. This could be due to air in the brake lines, a brake fluid leak, or a failing master cylinder.
Diagnosis Details
Possible Causes
Air in the brake lines (contaminated or low brake fluid)
Brake fluid leak (from caliper, wheel cylinder, or line)
Failing master cylinder (internal bypass or worn seals)
Related OBD-II Codes
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What You Should Do
Check brake fluid level and condition.
Inspect for visible leaks around calipers, lines, and master cylinder.
Bleed the brake system to remove air.
If pedal remains soft, test master cylinder for internal leakage.
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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.