TSB: Some 2021 model year RAV4 Prime vehicles may exhibit one or more of the following conditions:
?The climate control system is NOT cooling or heating.
?MIL ON with one or more of the following Diagnostic Trouble Code(s) (DTC[s]):
oP15017A ? Hybrid/EV battery cooling refrigerant gas fluid leak or seal failure.
oP1B8314 ? Hybrid/EV battery pack refrigerant pressure sensor ?a? circuit high circuit short to auxiliary battery.
oP05347A ? Refrigerant gas fluid leak or seal failure.
?Humming/buzzing noise upon startup (Ready ON) with the compressor on.
Follow the Repair Procedure in this bulletin to address these conditions