DTC 41

Check Engine Light blinks forty-one times:

A problem in the Heated Oxygen Sensor Heater Circuit.

DTC 41: Heated Oxygen Sensor Heater (Part 1 Of 3):

DTC 41: Heated Oxygen Sensor Heater (Part 2 Of 3):

DTC 41: Heated Oxygen Sensor Heater (Part 3 Of 3):

The Heated Oxygen Sensor Heater aids the oxygen sensor in warming up faster and starting closed loop operation sooner.

The Check Engine warning light may come on, indicating a system problem, when, in fact, there is a poor or intermittent electrical connection. First, check the electrical connections, clean or repair connections if necessary.