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Home >> Buick >> 2012 >> Regal Turbo, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls/Fuel - 2.0L - DTC P0010 To DTC P0336 >> Diagnostic Information and Procedures >> DTC P0033-P0035 >> Circuit/System Verification

Circuit/System Verification

  1. Engine running, command the Turbocharger Bypass Solenoid Valve between Active and Inactive with a scan tool. A click should be heard and felt.
  2. Command the Turbocharger Bypass Solenoid Valve between Active and Inactive with a scan tool while observing the following control circuit status parameters:
    • Turbocharger Bypass Solenoid Valve Control Circuit High Voltage Test Status
    • Turbocharger Bypass Solenoid Valve Control Circuit Open Test Status
    • Turbocharger Bypass Solenoid Valve Control Circuit Low Voltage Test Status

      Each parameter should toggle between OK and Not Run

  3. 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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