Toyota Sequoia 2022–2023 — technical service bulletin
Bulletin TSB004623 · NHTSA communication 10244109 · issued Aug 17, 2023
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
3
vehicle entries
Official summary
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
Vehicles covered
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.