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Home › Cadillac › 2003 › Seville STS › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0030: Ho2S Heater Control Circuit Sensor 1 › Conditions For Setting DTC

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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