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Home >> Chevrolet >> 2016 >> Volt Premier >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 1.5L (L3A) - DTC P0446 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P06E4: Control Module Wake-Up Circuit Performance (ECM) >> Circuit/System Verification
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Circuit/System Verification

  1. Vehicle in Service Mode.
  2. Verify which module set this DTC using the scan tool vehicle wide DTC check.
    • If DTC set in the Hybrid/EV Powertrain Control Module 2 only 

      Refer to P06E4 in Data Communications

    • If DTC set in the ECM only 

      Replace the K20 Engine Control Module then perform repair verification.

    • If the DTC sets in both modules 

      Diagnose the K114B Hybrid/EV Powertrain Control Module 2 first.

  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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