2024 Tesla Cybertruck RDU Inverter Replacement TSB

Condition

Tesla has identified a condition affecting certain 2024 Dual Motor Cybertruck vehicles. These vehicles are equipped with a Rear Drive Unit (RDU) inverter that contains an internal component not meeting Tesla's stringent specifications. This issue specifically pertains to the Tesla Cybertruck RDU inverter.

Important Warnings

Tesla states that if this bulletin is applicable to your vehicle, the correction procedure should be performed without any prior inspection. This indicates that the issue is known, and the recommended action is a direct replacement of the component. This campaign bulletin is classified as addressing a non-safety-related condition.

Service Operations and Time

Tesla outlines specific correction codes and estimated labor times for this service bulletin:

• SB-24-40-007 Not Applicable: Correction Code S012440007, Time 0.00 hours.
• Replace Dual Motor Rear Drive Unit Inverter: Correction Code S022440007, Time 3.18 hours.

Repair Procedure Summary

The repair procedure for the Tesla Cybertruck RDU inverter involves several key steps to ensure the vehicle is properly updated and the component is replaced correctly.

1. Software Update: The first step requires updating the vehicle to the latest available software. Technicians should refer to Service Manual procedure 00020003 for detailed instructions on this process.
2. RDU Inverter Replacement: The Rear Drive Unit (RDU) inverter must then be replaced with an updated part. Comprehensive instructions for this physical replacement are found in Service Manual procedure 4020092022.
3. Post-Replacement Actions: After the new RDU inverter has been installed, and critically, before disconnecting the Toolbox diagnostic system, technicians must perform specific software routines:
   • In the Toolbox interface, navigate to the Actions tab.
   • Search for the term "service-alert".
   • Locate and click on the routine labeled "PROC_ICE_X_CLEAR-SERVICE-ALERT".
   • Click Run and allow the routine to complete its process.

Required Tools or Parts

To perform this repair, specific parts and a range of special tools are necessary. The part number for the replacement component was current at the time of the bulletin's publication; technicians should consult the Parts Catalog for the latest revisions.

Required Part:

• 1802305-4A-B: ASSEMBLY - DRIVE INVERTER - 4DU (Quantity: 1)

Special Tools:

• 1130480-02-B: SLIM TEST PROBES, CAT III 1000V
• 1056154-00-A: ANTI STATIC MAT W/ WRIST GROUNDING CORD AND WRIST STRAP, 20" x 24"
• 1026636-00-A: PACK ENCLOSURE LEAK TESTER, HV BATTERY
• 1479505-00-A: KIT, M3 VACUUM FILL COOLANT ADAPTER
• 1080568-00-A: OIL/COOLANT CATCHER
• 1080292-00-A: GROUND STRAP, ESD WRIST STRAP
• 1450875-00-A: INVERTER LEAK TEST KIT
• 1065131-00-A: KIT, BATTERY COOLANT DRAIN & FILL
• 1135762-00-A: KIT, SVC PLUG, COOLING HOSE, MODEL 3
• 1050448-00-B: REFILLER, COOLING SYSTEM

Shop Supplies:

• Electrical Protective Gloves
• Brake Caliper S-Hook
• Plastic Trim tool

Owner Action

Owners of 2024 Tesla Cybertruck Dual Motor vehicles should be aware of this campaign bulletin, SB-24-40-007. As this is a campaign bulletin, the repair for the Tesla Cybertruck RDU inverter is typically covered under warranty at no cost to the owner. It is recommended to contact a Tesla Service Center to determine if your specific vehicle is affected and to schedule the necessary service.

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Source: NHTSA ID: 11009780