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P0138 O2 Sensor Circuit High Input (Bank 1/Sensor 2): DTC Detecting Condition
| Item |
Detecting Condition |
Possible Cause |
| DTC Strategy |
- Check short circuit to battery on rear HO2S
|
- Short to Battery in signal harness
- Contact resistance in connectors
- Faulty Heated O2 Sensor (HO2S)
|
| Enable Condition |
- 10 < Battery voltage < 16V
- No relevant failure 10 < Battery voltage < 16V
|
| Threshold Value |
|
| Diagnostic Time |
|
| Mil On Condition |
|