DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Response time monitor (lean to rich)	Poor connector connection HO2S (Bank 1, Sensor 2) ECM
Enable Condition	Battery voltage greater than 10.7V Engine speed is between 1000 to 6500 RPM Catalyst temperature is between 350 and 900°C (662 and 1652°F)
Threshold Value	HO2S voltage change of 0.25 to 0.6V greater than 0.8 second at fuel cut-off
Diagnostic Time	6 times O2 sensor cycles
MIL ON Condition	2 driving cycles