DTC P0030: Ho2S Heater Control Circuit Bank 1 Sensor 1: DTC Detecting Condition
- DTC Description
The ECM determines front HO2S heater fault and sets DTC P0030 if the front HO2S heater control driver inside the ECM fails or HO2S is not operational after an elapse of predetermined time since engine start or front HO2S tip temperature is out of normal working range. The ECM illuminates the MIL on the second consecutive driving cycle that the diagnostic runs and fails.
- Conditions for Setting the DTC