DTC U0100-00: Lost Communication With ECM/PCM "A"; DTC U0293-00: Lost Communication with Hybrid/EV Powertrain Control Module [09/2023 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC OUTPUT (REAR MOTOR GENERATOR)
Result:
NEXT
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2023 - ]