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) B1385 (A/C Refrigerant Expansion Valve Actuator "B" Stuck/Open) P0EC9 (A/C Refrigerant Distribution Valve "A" Stuck/Open) P153A (A/C Refrigerant Temperature/Ambient Air Temperature Performance) P0072 (Ambient Air Temperature Sensor Circuit "A" Low) P0073 (Ambient Air Temperature Sensor Circuit "A" High) 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") P0C43 (Hybrid/EV Battery Refrigerant temperature Sensor "A" Circuit Range/Performance) P0CD6 (Hybrid/EV Battery Refrigerant temperature Sensor "B" Circuit Range/Performance) P1B84 (Hybrid/EV Battery Pressure Sensor Range/Performance) |
| Battery voltage | 11 V or higher |
| Compressor actual speed | 500 rpm or higher |
| Refrigerant cycle | A/C Cooling or Dehumidification heating in parallel |