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AC won't blow cool air only hot; AC selection on screen erratic

Discussion in 'Prime Care, Maintenance and Troubleshooting' started by MslCmdr, Feb 5, 2024.

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  1. MslCmdr

    MslCmdr New Member

    Joined:
    Feb 5, 2024
    1
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    Location:
    20170
    Vehicle:
    2018 Prius Prime
    Model:
    Plug-in Advanced
    What can I do to fix my 2018 Prius Prime Advanced? AC won't blow cool air and only blows hot air; AC selection on screen isn't immediately selectable on start up; and when it becomes selectable, it is erratic. Blown fuse? Software problem? Ideas please. Thank you!
     
    #1 MslCmdr, Feb 5, 2024
  2. BiomedO1

    BiomedO1 Senior Member

    Joined:
    Mar 27, 2021
    1,831
    927
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    Location:
    SacTown, Ca
    Vehicle:
    2021 Prius Prime
    Model:
    LE
    low refrigerant. When the car heats up, the gases expands and pressurizes the system. this releases the low pressure cut-off solenoids; that's why your system will operate after warm-up. Take it to an AC shop to get it diagnosed.
     
    #2 BiomedO1, Feb 5, 2024
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