Toyota TSB #T-SB-0018-23
2021 Toyota Sienna
Affected Component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
- Summary
- TSB: Some 2021 ? 2023 model year Sienna Hybrid vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P060694 (Hybrid/EV Powertrain Control Module Processor Unexpected Operation) present. The Hybrid Vehicle Control Computer logic has been modified to reduce the possibility of this condition.