Typical Enabling Conditions
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.
| Monitor runs whenever the following DTCs are not stored | B3A0A (A/C Refrigerant Expansion Valve Actuator Stuck/Open) P0EC9 (A/C Refrigerant Distribution Valve "A" Stuck/Open) P153A (A/C Refrigerant Temperature/Ambient Air Temperature Performance) P0531 (A/C Refrigerant Pressure Sensor "A" Circuit Range/Performance) P0531 (A/C Refrigerant Pressure Sensor "A" Circuit Range/Performance (Vcc)) P0532 (A/C Refrigerant Pressure Sensor "A" Circuit Low) P0533 (A/C Refrigerant Pressure Sensor "A" Circuit High) P0EBD (A/C Refrigerant Temperature Sensor "A" Circuit High) P0EBE (A/C Refrigerant Temperature Sensor "A" Circuit Low) P2612 (A/C Refrigerant Distribution Valve "A" Control Circuit Low) P2613 (A/C Refrigerant Distribution Valve "A" Control Circuit High) B3A0C (A/C Refrigerant Expansion Valve Actuator Control Circuit Low) B3A0D (A/C Refrigerant Expansion Valve Actuator Control Circuit High) B1388 (A/C Refrigerant Expansion Valve Actuator "B" Control Circuit Low) B1389 (A/C Refrigerant Expansion Valve Actuator "B" Control Circuit High) U0111 (Lost Communication With Battery Energy Control Module "A") B14B0 (Lost Communication With Heat Pump Control Module) P0C43 (Hybrid/EV Battery Refrigerant temperature Sensor "A" Circuit Range/Performance) P0CD6 (Hybrid/EV Battery Refrigerant temperature Sensor "B" Circuit Range/Performance) P1B7A (Hybrid/EV Battery Refrigerant temperature Sensor "C" Circuit Range/Performance) P1B7F (Hybrid/EV Battery Refrigerant temperature Sensor "D" Circuit Range/Performance) |
| Battery voltage | 11 V or higher |
| External condenser refrigerant temperature sensor (thermostat assembly) | 4°C or less |
| Average temperature of No. 1 air conditioning thermistor assembly and No. 2 air conditioning thermistor assembly | 20°C or higher |