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Home >> Pontiac >> 2009 >> G8 Base >> Repair and Diagnosis >> Electrical >> Charging Systems >> Battery, Charging System And Starting System >> Diagnostic Information and Procedures >> DTC C0899 >> Circuit/System Verification

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 V
  2. Observe the scan tool EBCM Battery Voltage Signal parameter. The reading should be between 12.6 and 15.5 V