ABS Warning Light On - Tesla Model 3 2020
The ABS warning light is constantly illuminated on a 2020 Tesla Model 3, indicating a fault in the anti-lock braking system. This can affect braking performance and safety, especially in slippery conditions.
Diagnosis Details
Possible Causes
Faulty wheel speed sensor (most common on Tesla Model 3 due to debris or corrosion)
Damaged or loose ABS wheel speed sensor wiring or connector
Failed ABS control module or internal fault
Related OBD-II Codes
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What You Should Do
Have the vehicle scanned with a diagnostic tool compatible with Tesla (e.g., Tesla Toolbox or third-party scanner) to retrieve ABS-related trouble codes.
Inspect all four wheel speed sensors for damage, debris, or loose connections.
If a sensor is faulty, replace it.
If the issue persists, the ABS module may need professional diagnosis or replacement.
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.