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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 651 (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 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  1. If the DTC is history, refer to Charging System Test .
  2. Start the engine, record the voltage at the battery terminals. Observe the Ignition 1 Signal parameter in the ECM/PCM data list. Voltages should not differ by more than 1 volt.
    • If more than 1 volt, replace the ECM/PCM.
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