P0138 - O2 Circuit High Voltage (Bank 1, Sensor 2) - DTC Chart
P0138 - O2 CIRCUIT HIGH VOLTAGE (BANK 1, SENSOR 2) - DTC CHART
| Description: This DTC sets when an over voltage condition is present on the HO2S12 circuit. | |||
Possible Causes:
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| Diagnostic Aids: An O2S12 PID voltage of 1.5 volts or greater indicates a short to voltage. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test DW . | ||