Caution / Notice / Hint

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Be sure to check the refrigerant volume first when this DTC is output because this DTC can also be stored if there is no refrigerant in the cycle.
Refer to REPLACEMENT [06/2018 - ]
If DTC B1423 and B14B8 are output at the same time, troubleshoot for DTC B14B8 first.
Refer to DTC B14B8: Refrigerant Shortage [06/2018 - ]

HINT:

Make sure that the connector is properly connected. If it is not, securely connect it and check for DTCs again.