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Home >> Cadillac >> 2003 >> DeVille Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0030: Ho2S Heater Control Circuit Sensor 1 >> Conditions For Setting DTC
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Conditions For Setting DTC

The PCM detects an incorrect circuit condition in the high side driver for HO2S bank 1 sensor 1.

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