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Home >> Chevrolet >> 2011 >> Volt >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.4L (LUU) - DTC P1400 Through DTC P2635 >> DTC P2422 >> Circuit/System Verification

Circuit/System Verification

  1. Command the EVAP vent solenoid valve ON and OFF with the scan tool. An audible click should be heard when changing between the commanded states.
  2. Service Mode active, observe the scan tool EVAP vent solenoid valve control circuit test status parameters. The circuit test status parameters should display OK or Not Run.
  3. Ignition ON, engine running, observe the DTC information with a scan tool. DTC P0449, P0498, or P0499 should not set.
  4. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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