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Home >> Pontiac >> 2003 >> Aztek FWD >> Repair and Diagnosis >> 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

PCM detects that the heater control circuit current is greater than 1.25 amps for more than 20 seconds.