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P0606 on the 2023 Toyota Tundra

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name P0606
TSB0046232023-10-16. Service bulletin. 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: ?P060694 ? 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. Follow the Repair Procedure in this bulletin to address this condition
T-SB-0046-232023-08-28. Service bulletin. 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.

2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.