DTC B14C7-7F: Electric Water Pump Actuator Stuck Off [08/2023 - ]: Description
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.
The air conditioning amplifier assembly receives the flow shutting valve status and controls the electric water pump (heater pump assembly) according to the coolant temperature sensor value.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | DTC Output from | Priority | Note |
|---|---|---|---|---|---|---|---|---|
| B14C7-7F | Electric Water Pump Actuator Stuck Off | Diagnosis condition:
Malfunction status:
Detection time:
|
|
Does not come on | Memorized | Air Conditioner | B | - |