ABS Warning Light On - Tesla Model Y 2021
The ABS warning light is constantly illuminated on your Tesla Model Y, indicating a fault in the anti-lock braking system. This could affect braking performance and safety, especially in slippery conditions.
Diagnosis Details
Possible Causes
Faulty wheel speed sensor (most common on Tesla Model Y due to debris or wiring issues)
Low brake fluid level or contaminated fluid
ABS module malfunction or internal fault
Related OBD-II Codes
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What You Should Do
Check brake fluid level and condition.
Inspect wheel speed sensors and wiring for damage or debris.
Use a diagnostic scanner to retrieve ABS fault codes.
If codes indicate a sensor issue, replace the sensor.
If fluid is low, top up and inspect for leaks.
For module faults, professional diagnosis is recommended.
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.
