DTC C1505-7E: Brake Pressure Control solenoid "E" Actuator Stuck On; DTC C150B-7E: Brake Pressure Control solenoid "F" Actuator Stuck On [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC
- Check the DTCs that are output.
Chassis > Brake Booster > Trouble Codes
Chassis > Brake/EPB > Trouble Codes
Result
Result Proceed to Only DTCs C1505-7E and/or C150B-7E are output. A DTCs other than C1505-7E and/or C150B-7E are output. B
Result:
A
REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY. Refer to REMOVAL [11/2021 - ]
Result:
B
REPAIR CIRCUITS INDICATED BY OUTPUT DTCS
- Check the DTCs that are output.