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Home >> Chevrolet >> 2011 >> Volt >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications System >> Diagnostic Information and Procedures >> DTC P0601-P0604, P0606, or P062F >> Circuit/System Verification
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Circuit/System Verification

  1. Verify that DTC P0606 is not set.
    • If the DTC P0606 is set with other DTCs set, diagnose all other DTCs first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
    • If the DTC P0606 is set without other DTCs set, replace the control module that set the DTC.
  2. Verify that DTC P0602 is not set.
    • If the DTC P0602 is set, program the control module that set the DTC. If the DTC P0602 resets, replace the control module that set the DTC.
  3. Verify that DTC P0601, P0603, P0604, or P062F is not set.
    • If any of the DTCs are set, replace the control module that set the DTC.
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