This DTC sets when the actual oxygen sensor voltage exceeds the maximum expected voltage threshold for a specified amount of time.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical check | 1. Poor connection 2. Open in signal circuit 3. HO2S(S1) |
Enable Conditions |
•
Sensor pump current valid (same as the conditions of P0133)
•
11V < Battery voltage < 16V | |
Threshold Value |
•
Upstream O2 sensor voltage during deceleration fuel cut off > 5.5V | |
Diagnostic Time |
•
15sec | |
MIL ON Condition |
•
2 Driving Cycles |
※ S1 : upstream oxygen sensor / S2 : downstream oxygen sensor
