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Home >> Cadillac >> 2007 >> STS V >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Description and Operation >> Charging System Description and Operation >> Charging System Operation >> Charge Mode
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Charge Mode

The IPM will enter Charge Mode when the headlamps are ON, low or high beams. The voltage is controlled to 13.4 volts if the system is below 13.3 volts or to 14.5 volts if the system voltage is above 14.6 volts.