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Home >> Buick >> 2002 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.1L Engine >> Diagnostic Tests >> DTC P0030: Ho2S Heater Control Circuit (Sensor 1) >> Conditions For Setting DTC

Conditions For Setting DTC

The PCM detects that the heater control circuit current is greater than the capacity of the PCM internal driver for more than 20 seconds.

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