Manufacturer Communications Detail
TOYOTA / SIENNA HYBRID / 2021
| Components - Details | |
|---|---|
| Service Bulletin Number: T-SB-0016-21 | Replacement Service Bulletin Number: |
| Date Of Bulletin: - | Failing Component: 100000 POWER TRAIN |
| Vehicale/Equipment Name: TOYOTA | Vehicale/Equipment Model: SIENNA HYBRID |
| Vehicale/Equipment Year: 2021 | Date Added To File: Apr, 19 2021 |
| Summary: Tsb: some 2021 model year sienna hybrid vehicles may exhibit a depleted 12v auxiliary battery when in ig-off due to a condition in which the hybrid vehicle electronic control unit (hv ecu) does not sleep. the hv ecu may not sleep if any of<br /> | |