DTC B145A-87: Lost Communication with Front Right Air Mix Damper Control Servo Motor LIN 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 FOR DTC
- Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes
Result
Result Proceed to B142A-88 is output A B142A-88 is not output B
Result:
A
GO TO DTC B142A-88. Refer to DTC B142A-88: Servo Motor LIN Communication Bus off [08/2023 - ]
Result:
B
REPLACE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY. Refer to DISASSEMBLY [10/2022 - ]
- Check for DTCs.