Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Diagnosis System

Dtc Check / Clear

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Toyota Tundra Owners Manual > Steps to take in an emergency: If your vehicle overheats
The following may indicate that your vehicle is overheating: The needle of the engine coolant temperature gauge enters the red zone or a loss of engine power is experienced. (For example, the vehicle speed does not increase.) "ENGINE COOLANT OVERTEMP" is shown on the multi-information display. Stea ...