DTC U0164-87: Lost Communication with HVAC Control Module Missing Message [08/2023 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC OUTPUT (HV BATTERY)
Pre-procedure1
- None.
Procedure1
- Check for DTCs.
Powertrain > HV Battery > Trouble Codes
Result
Proceed to NEXT Post-procedure1
- Turn the ignition switch off.
Result:
NEXT
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2023 - ]
- None.