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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC B1327 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, measure the voltage at the battery terminals.
  2. Ignition ON, observe the affected module scan tool Battery Positive Voltage parameter..
  3. Verify that battery terminal voltage and Battery Positive Voltage parameter readings do not differ by more than 2 volts.
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