2023-2024 Tesla Model 3/Y High Voltage Controller Issue

Tesla has released Service Bulletin SB-24-16-005, a campaign bulletin dated September 4, 2024, to address a non-safety-related condition in certain 2023-2024 Model 3 and Model Y vehicles. This bulletin specifically targets a defective electrical component within the High Voltage Controller that can lead to significant operational issues. Owners searching for issues with their Tesla Model 3 High Voltage Controller should pay close attention to this information.

Symptoms

Owners of affected Tesla Model 3 and Model Y vehicles may experience one of two primary symptoms related to this issue. A defective electrical component inside the High Voltage Controller may prevent the vehicle from entering into drive mode. Alternatively, it may cause a graceful power-off of the vehicle while in operation. These symptoms indicate a potential malfunction of the Tesla Model 3 High Voltage Controller or Model Y equivalent.

Important Information for Owners

This campaign bulletin addresses a non-safety-related condition. Tesla has also specified that mobile service cannot perform this particular repair. It is crucial for owners to note that the model(s) and model year(s) listed in the bulletin are a general approximation. To confirm if your specific vehicle is affected by Service Bulletin SB-24-16-005, you should refer to your VIN/Bulletin Tracker or Customer/Vehicle profile.

Diagnosis and Correction

Tesla's Service Bulletin SB-24-16-005 provides a direct correction for this issue. If the bulletin is applicable to your vehicle, the correction procedure, which involves replacing the High Voltage Controller, should be performed without any prior inspection. This streamlines the repair process, ensuring that technicians proceed directly to the necessary component replacement.

Repair Procedure Summary

The primary correction for this issue is the replacement of the High Voltage Controller. For 2017-2023 Model 3 and Model Y vehicles, technicians are directed to refer to Service Manual procedure 16301603. For 2024+ Model 3 vehicles, the relevant procedure is 1630010182. These procedures outline the detailed steps for safely and effectively replacing the defective High Voltage Controller.

Required Parts and Supplies

To perform the repair, specific parts and shop supplies are required:

• Parts Required:
  • 1106394-21-P: HIGH VOLTAGE SYSTEM CONTROLLER (Quantity: 1)
  • 1508009-00-A: BOLT,TE, M6-1.0X14,[88],G1009,CA. (Quantity: 3-5)
• Shop Supplies:
  • 1089974-00-A: Electrical Joint Compound, A-13,8oz

These part numbers were current at the time of the bulletin's publication. Technicians should always use the revisions listed or later, unless otherwise specified in the Parts Catalog.

Estimated Labor Time

The estimated labor time for this correction varies slightly by model year:

• Correction S012416005 (Not Applicable): 0.00 hours for both Model Y and 2017-2023 Model 3, and 2024+ Model 3.
• Correction S022416005 (Replace High Voltage Controller): 1.38 hours for Model Y and 2017-2023 Model 3, and 1.08 hours for 2024+ Model 3.

Source: NHTSA ID: SB-24-16-005