T-SB-0085-24

Some 2023 – 2024 model year Sequoia Hybrid and 2022 – 2024 model year Tundra and Tundra Hybrid vehicles may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) present:
•P030000 – Random/Multiple Cylinder Misfire Detected
•P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change Above Threshold
•P030085 – Random/Multiple Cylinder Misfire Detected (Over Temperature) Signal Above Allowable Range The Engine Control Module (ECM) (SAE term: Powertrain Control Module / PCM) logic has been modified to address this condition.