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December 8, 2025 Service bulletin

On certain Cybertruck vehicles, the AC junction box to fast charge contactor HV harness might have a poor...

Tesla technical service bulletin SB-25-16-006 for 2024-2025 Tesla Cybertruck.

Bulletin number
SB-25-16-006 (SB-25-16-006)
Component
Electrical system
Summary
On certain Cybertruck vehicles, the AC junction box to fast charge contactor HV harness might have a poor crimp connection, which may cause increased resistance and localized heating in the harness. If the ancillary cover is removed for other procedures, replace the AC junction box to fast charge contactor HV harness with version -J or later.

Owners of these vehicles have filed 63 complaints in the electrical category.

Vehicles covered

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