NEW OEM Tesla Cybertruck Trailer Controller 1815831-10-B

Restore the intended vehicle electronics function with this NEW OEM Tesla Trailer Controller, part number 1815831-10-B, for Cybertruck applications. This component provides the controller function assigned to the vehicle's trailer electrical system. Its factory housing and connector interface help preserve the specified electrical connection and mounting arrangement when the original unit must be replaced. It is suited for repairs involving trailer-system diagnosis, controller damage, connector damage, towing-system service, or a confirmed module fault. Matching the exact OEM number helps reduce configuration, connector, position, and communication mismatches during installation. Verify the part number and vehicle catalog entry, then compare the connector interface, mounting points, and configuration with the removed component before programming or final assembly.

Part Number: 1815831-10-B

Brand: Tesla

Condition: NEW OEM

Vehicle: Tesla Cybertruck

Placement: Trailer control system

Configuration: Trailer controller

EPC Section: Body Controllers

Please verify part number, configuration, and fitment before purchase. Programming or calibration may be required according to the applicable Tesla service procedure.

Confirm part number 1815831-10-B and the Cybertruck application against the vehicle catalog
Disconnect power when applicable and follow the relevant Tesla service procedure
Compare the replacement component with the removed unit, connector interface, and mounting points
Do not force connectors, terminals, housings, or related hardware during installation
Programming, calibration, and post-repair system verification may be required