Monitored & Set Conditions
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2002 Dodge Grand Caravan, 2002 Dodge Caravan, 2002 Chrysler Voyager, 2002 Chrysler Town & Country, and 2001 Dodge Grand Caravan. However, it is still accessible from the selected car via links, so may be relevant.
1/2 Heated Oxygen Sensor (HO2S) voltage is monitored after engine has been running for 119 seconds, engine coolant temperature is less than 176°F (80°C) and vehicle speed is more than 40 MPH. DTC will set in Powertrain Control Module (PCM) memory when PCM senses 1/2 HO2S voltage is less than .08 volt for 61 seconds after engine is started. Possible causes for DTC to set are: intermittent condition, defective 1/2 HO2S, defective PCM, or defective connectors or wiring.