2023-2024 Tesla Model 3, Y High Voltage Controller Issue
Tesla has issued Service Bulletin SB-24-16-005 for 2023-2024 Model 3 and Model Y vehicles regarding a defective High Voltage Controller. This component can prevent the vehicle from entering drive mode or cause a graceful power-off, requiring replacement.
S'applique également à
- Tesla Model 3
- 2024
- Tesla Model Y
- 2023–2024
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.
Source: NHTSA ID: 11008772
Frequently Asked Questions
- What is Service Bulletin SB-24-16-005 about?
- Service Bulletin SB-24-16-005 addresses a non-safety-related condition in certain 2023-2024 Tesla Model 3 and Model Y vehicles where a defective High Voltage Controller can prevent the vehicle from entering drive mode or cause a graceful power-off.
- What are the symptoms of a faulty High Voltage Controller in my Tesla?
- Symptoms include the vehicle being unable to enter drive mode or experiencing a 'graceful power-off' during operation. These issues are linked to a defective electrical component within the High Voltage Controller.
- How is the High Voltage Controller issue fixed?
- The fix involves replacing the High Voltage Controller. Tesla service technicians will follow specific service manual procedures (16301603 or 1630010182) and use part number 1106394-21-P for the replacement.
- Do I need to get my Tesla inspected before the repair?
- No, according to the bulletin, if your vehicle is applicable to this campaign (SB-24-16-005), the correction should be performed without any prior inspection.
What Tesla Model 3 owners report
Counted from the records in our database across 10 model years.
- 4,387
- Owner complaints
- 36
- Recalls
- 249
- Service bulletins
- 459
- Crashes reported
- 22
- Fires reported
- 256
- Injuries reported
The 2023 model year
429 complaints, the 6th most of 10 model years on file. Owners reported 73 crashes, 1 fire and 50 injuries for this year, which also has 12 recalls on file.
Electrical System, the system this article covers, accounts for 566 of 4,387 complaints (13%), including 51 for 2023.
Complaints by model year
| 2017 | 27 | |
|---|---|---|
| 2018 | 1,036 | |
| 2019 | 620 | |
| 2020 | 453 | |
| 2021 | 674 | |
| 2022 | 773 | |
| 2023 | 429 | |
| 2024 | 222 | |
| 2025 | 123 | |
| 2026 | 30 |
Most-reported systems
- Forward Collision Avoidance — 1,751
- Vehicle Speed Control — 635
- Service Brakes — 571
- Electrical System — 566
- Steering — 414
Latest recalls for the 2023 model year
- 26V507000 — Exterior Lighting (Aug 2026)
- 26V283000 — Back Over Prevention (May 2026)
- 25V092000 — Steering (Feb 2025)
Recent owner reports about electrical system
The vehicle was purchased pre-owned directly from Tesla. On the day of pickup and five days later, while operating on Full Self-Driving (FSD), the vehicle phantom-braked abruptly and then dangerously accelerated through a solid red light into cross-traffic…
Read owner complaints →Full Self Driving software runs a red light in complete disregard of traffic laws.
Complaints are owner reports filed with NHTSA. They are unverified, and counts depend on how many vehicles were sold, so they are not a failure rate.
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2023-2024 Tesla Model 3/Y High Voltage Controller Issue
Tesla Service Bulletin SB-24-16-005 addresses a defective High Voltage Controller in 2023-2024 Model 3 and Model Y vehicles. This issue can prevent the vehicle from entering drive mode or cause a graceful power-off, requiring controller replacement.
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