DTC Information: DTC Detecting Condition

Item	Detecting Condition	Possible Cause
DTC Strategy	Circuit check	Poor connector connection Short to battery in control circuit Faulty upstream HO2S
Enable Conditions	Battery voltage between 11 - 16V O2 sensor heater control duty between 3.5 - 96.5% No relevant failure
Threshold Value	Short circuit to battery (ECU power stage diagnosis)
Diagnostic Time	1s
MIL ON Condition	2 driving cycles