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Home >> Hummer >> 2008 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 467 (Battery, Charging System And Starting System) >> Diagnostic Information and Procedures >> DTC P0560 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2010 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine running, measure and record the voltage at the battery terminals. Verify that the battery voltage is 12.6-15.5 V.
  2. Engine running, observe the scan tool ECM Ignition 1 signal parameter. The reading should be between 12.6 and 15.5 V.