P1104

NOTE: The diagnostic trouble code "P1104/17512" is set 123 sec. after engine start, coolant temperature over 80°C (176°F), oxygen sensor control active, engine speed between 1500 min and 5000 min, load between 19% and 80% and Oxygen Sensor (O2S) heater switched on at least 45 sec., as soon as the signal voltage is less than 0.040 V for longer than 60 sec.