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Home >> Chevrolet >> 2009 >> Impala SS >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC C0900 >> Circuit/System Verification
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Circuit/System Verification

  1. Engine running measure and record the voltage at the battery terminals. Verify that the battery voltage is 12.6-15.5 volts.
  2. Engine running, observe the scan tool EBCM battery positive voltage parameter. The reading should be between 12.6 and 15.5 volts.
    • If not within the specified range, replace the EBCM.
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