DTC P0141: Heated Oxygen Sensor Circuit (Sensor No. 2): Condition

DTC is set when either of the following conditions is present:

• Sensor heater current draw exceeds 2 amps, or voltage drop of circuit exceeds 5 volt.
• Sensor heater current draw is .25 amp or less.

Possible causes are:

• Heated oxygen sensor open or short circuit.
• Heated oxygen sensor heater.
• ECM.