Toyota RAV4 Prime 2021 — technical service bulletin
Bulletin T-SB-0042-22 Rev · NHTSA communication 10230365 · issued Dec 14, 2022
Technical service bulletin
communication type
Visibility
component
2021
model years
1
vehicle entries
Official summary
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
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.