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

Tesla has released Service Bulletin SB-24-16-005, dated September 4, 2024, to address a non-safety-related condition affecting certain 2023-2024 Model 3 and Model Y vehicles. This bulletin outlines a repair procedure for a specific issue with the High Voltage Controller.

Symptoms

Owners of affected 2023-2024 Tesla Model 3 and Model Y vehicles may experience issues related to a defective electrical component inside the Tesla Model 3 High Voltage Controller. This defect can manifest in two primary ways:

• The vehicle may be "prevented from entering into drive mode."
• The vehicle may experience a "graceful power-off" while in operation.

These symptoms indicate a malfunction in the high voltage system that requires attention.

Important Warning

Tesla has noted a critical instruction for technicians regarding this service bulletin:

"If this bulletin is applicable to the vehicle, perform the correction without any need for inspection."

This means that if your vehicle falls within the scope of this bulletin, the repair should proceed directly without additional diagnostic steps to confirm the fault.

Repair Procedure Summary

The core correction for this issue involves replacing the High Voltage Controller. This is a direct replacement procedure, and technicians are instructed to refer to specific service manual procedures for detailed steps. The procedures vary slightly depending on the vehicle's model year:

• For 2017-2023 Model 3 and Model Y vehicles, technicians should follow Service Manual procedure 16301603.
• For 2024+ Model 3 vehicles, the relevant procedure is 1630010182.

The estimated labor time for replacing the High Voltage Controller (correction code S022416005) is 1.38 hours for Model Y and 2017-2023 Model 3, and 1.08 hours for 2024+ Model 3.

Required Parts and Supplies

To perform the High Voltage Controller replacement, specific parts and shop supplies are necessary:

• Parts Required:
  • 1106394-21-P: HIGH VOLTAGE SYSTEM CONTROLLER (Quantity: 1)
  • 1508009-00-A: BOLT,TE,M6-1.0X14,[88],C1009,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 are advised to consult the Parts Catalog for the latest revisions.

Owner Action

If you own a 2023-2024 Tesla Model 3 or Model Y and experience symptoms such as an inability to enter drive mode or unexpected power-offs, it is recommended to contact your authorized Tesla Service Center. Provide them with your vehicle's VIN and mention Service Bulletin SB-24-16-005. They can determine if your vehicle is covered by this campaign and arrange for the necessary repair of the Tesla Model 3 High Voltage Controller.

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Source: NHTSA ID: 11008772