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Home >> Chevrolet >> 2012 >> Volt >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Power Door Lock System And Release Systems) >> Diagnostic Information and Procedures >> DTC P0CD1 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2011 Chevrolet Volt. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the KR119 charge port door relay.
  2. Connect a test lamp between the control circuit terminal 86 and ground.
  3. Command the Battery Charging System Receptacle Door to OPEN with a scan tool. The test lamp should turn ON during the OPEN command
    • If the test lamp is always ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the K114B hybrid powertrain control module 2.
    • If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the K114B hybrid powertrain control module 2.
  4. If all circuits test normal, test or replace the KR119 charge port door relay.
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