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Home >> Saturn >> 2007 >> Vue Red Line, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 910 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P0563 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify DTC P0563 is set as current.
  2. Engine running measure and record the voltage at the battery terminals.
  3. Verify that the battery voltage is 12.6-15.5 volts.
  4. Engine running, observe the scan tool ECM Ignition 1 signal parameter.
  5. Verify the battery terminal and Ignition 1 signal readings do not differ more than 2.0 volts.
    • If greater than specified value, replace the ECM.
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