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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 250 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P0563 (FPCM) >> Circuit/System Description
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Circuit/System Description

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The fuel pump control module (FPCM) monitors the system voltage to ensure that the voltage stays within the proper range. Damage to components, and incorrect data may occur when the voltage is out of range. If the FPCM detects that the system voltage is high, DTC P0563 sets.

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