Symptoms

•Safety system warning light illuminated on the dashboard
•Fault codes present in the vehicle's diagnostic system
•Possible reduced functionality of safety features (e.g., automatic braking, lane assist)
•Driver assistance systems not operational

Diagnostic Steps

1
Use an OBD-II scanner compatible with Tesla vehicles to access the diagnostic system.
2
Check for any active trouble codes related to the safety system.
3
Note down all codes present and investigate the root cause if needed before clearing.
4
Ensure the vehicle is in a safe location to perform the reset, with the engine off and parked.
5
Plug the OBD-II scanner into the vehicle’s OBD-II port, usually located beneath the dashboard near the driver's seat.
6
Turn on the vehicle's ignition without starting the engine to power the scanner.
7
Navigate through the scanner's menu to select the option for 'Read Codes.'
8
Retrieve any stored trouble codes related to the safety system.
9
Once the codes are retrieved, select the option to 'Erase Codes' or 'Clear Codes' on the scanner.
10
Confirm the action when prompted by the scanner.
11
After clearing the codes, check again with the scanner to ensure that all codes have been successfully cleared.
12
Turn off the ignition and disconnect the scanner.

After completing the repair, verify that the issue has been resolved:

To prevent this issue from occurring again:

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