DTC P0038 - Ho2S Heater Control Circuit High (Bank 1 Sensor 2)
P0038 - HO2S HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 2)
| Description: | The PCM controls the heated oxygen sensor bank 1, sensor 2 (HO2S12) heater ON and OFF duty cycle to maintain a calibrated temperature. This DTC sets when the sensor does not warm up to the required temperature in a calibrated amount of time. This DTC also sets when the PCM is not able to maintain the required temperature after the sensor is warm. | ||
| Possible Causes: |
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| Diagnostic Aids: | Inspect the connectors for signs of damage, water intrusion or corrosion. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DW . | ||