Toyota RAV4 Hybrid 2019–2021 — technical service bulletin
Bulletin TSB002622 · NHTSA communication 10214334 · issued Mar 23, 2022
Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
3
vehicle entries
Official summary
TSB: Some 2019 ? 2021 model year RAV4 Hybrid vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) stored: ?P0AA649 (Hybrid/EV Battery Voltage System Isolation Internal Electronic Failure) ?P1C8049 (Hybrid/EV Battery Voltage System Isolation [Rear Motor Area] Internal Electronic Failure) The vehicle may also exhibit static or distortion when listening to AM radio. These conditions may be caused by corrosion on the high-voltage wire harness below the vehicle at connector Y6 at Motor Generator Rear (MGR) or dirt and debris inside the connector
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.