Soft Brake Pedal Diagnosis - Tesla Model 3 2020
The brake pedal feels soft or spongy at all times, indicating a potential issue with the brake hydraulic system, such as air in the lines, a fluid leak, or a failing master cylinder. This condition reduces braking effectiveness and requires immediate attention.
Diagnosis Details
Possible Causes
Air in the brake lines (requires bleeding)
Brake fluid leak (at caliper, line, or master cylinder)
Failing brake master cylinder (internal bypass)
Related OBD-II Codes
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What You Should Do
Do not drive the vehicle.
Check brake fluid level and look for leaks around wheels and under the car.
If fluid is low, top off with DOT 3 or DOT 4 fluid as specified.
Have the system inspected and bled by a qualified technician.
If the master cylinder is faulty, it must be replaced.
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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.
