As of my last update in September 2021, Tesla vehicles utilize a set of diagnostic trouble codes (DTCs) to indicate potential issues with various systems in the car. These codes are specific to Tesla's electric vehicle systems and can vary based on the model and version of the car's software. Here are some common Tesla diagnostic trouble codes:
1. B1100 - Precharge Safety Loop Failed
2. B1101 - Drive Unit Invalid Command
3. B1102 - Drive Unit Invalid Set Point
4. B1103 - High Voltage Isolation Fault
5. B1104 - Internal Drive Unit Fault
6. B1105 - External Drive Unit Fault
7. B1106 - Power Electronics Cooling Fault
8. B1107 - Drive Unit Not Calibrated
9. B1108 - Drive Unit Over Temperature
10. B1109 - Drive Unit Temperature Sensor Issue
11. B1110 - Motor Phase U Error
12. B1111 - Motor Phase V Error
13. B1112 - Motor Phase W Error
14. B1113 - Motor Over-temperature Fault
15. B1114 - Invalid Command
16. B1115 - Mechanical Blockage
17. B1116 - Battery Pack Voltage Limit
18. B1117 - Motor Disabled
19. B1118 - Motor Voltage Over Limit
20. B1119 - Precharge Timeout
21. B1120 - Motor Current Sensor Issue
22. B1121 - Drive Inverter Auto Shutdown
23. B1122 - Drive Inverter Disable
24. B1123 - Drive Inverter High Voltage Disabled
25. B1124 - Drive Inverter High Voltage Enable Fault
26. B1125 - Drive Inverter Emergency Shutdown
27. B1126 - Drive Inverter Disable After Restart
28. B1127 - Drive Inverter Emergency Shutdown After Restart
29. B1128 - Drive Inverter Disable (Contact Tesla Service)
30. B1129 - Drive Inverter Emergency Shutdown (Contact Tesla Service)
If you encounter any of these diagnostic codes or experience any issues with your Tesla vehicle, it is essential to contact Tesla Support or take your car to a Tesla Service Center for proper diagnosis and repairs. Keep in mind that Tesla's diagnostic system and software are continuously evolving, so the list of codes may change or be updated over time.
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