Typical Enabling Conditions
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. 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) P15B9 (Ambient Temperature Sensor / Ambient Temperature Sensor "B" Signal Compare Failure) P0072 (Ambient Air Temperature Sensor Circuit "A" Low) P0073 (Ambient Air Temperature Sensor Circuit "A" High) P00DB (Ambient Air Temperature Sensor Circuit "B" Low) P00DC (Ambient Air Temperature Sensor Circuit "B" 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 |