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Home >> Chevrolet >> 2005 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 945 (Hybrid Engine Control System) >> Diagnostic Information and Procedures >> DTC P1A56 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2008 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, inspect the SGCM X2 harness connector for poor connections, bent terminals or corrosion.
  2. Reinstall SGCM X2.
  3. Ignition ON, with a scan tool, clear the DTC.
  4. Ignition OFF, wait 30 seconds.
  5. Ignition ON, operate the vehicle within the Conditions for Running the DTC and verify the DTC does not reset.
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