T-SB-0046-23

TSB: Some 2022 ? 2023 model year Tundra Hybrid and 2023 model year Sequoia Hybrid vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present: ?P060649 ? Control Module Processor Unexpected Operation ?P060647 ? Control Module Processor Watchdog/Safety MCU Failure The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address this condition.