Soft Brake Pedal Diagnosis - Toyota RAV4 2020
The brake pedal feels soft or spongy at all times, indicating a potential issue in the hydraulic brake 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 (at caliper, wheel cylinder, or line)
Faulty brake 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 problem persists, test master cylinder and replace if necessary.
Related Repairs
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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.