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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Engine Controls And Fuel - 2.0L (LTG) - DTC P0340-DTC P31BF And Symptoms) >> Diagnostic Information and Procedures >> DTC P2261 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition/Vehicle - Off
  2. Remove the component:Q40 Turbocharger Bypass Solenoid Valve - Leave the electrical connector connected.
  3. Perform the scan tool control function:Turbocharger Bypass Solenoid Valve - On & Off

    Verify the component opens and closes:Q40 Turbocharger Bypass Solenoid Valve

    • If the component does not open and close 

      Replace the component:Q40 Turbocharger Bypass Solenoid Valve

    • Go to next step: If the component opens and closes 
  4. Verify a condition does not exist with the component:Turbocharger - Refer to:Camshaft Cover and Compressor Air Intake Turbocharger Cleaning and Inspection
    • If a condition exists 

      Repair or replace as necessary.

    • Go to next step: If no condition exists 
  5. Replace the component:Q40 Turbocharger Bypass Solenoid Valve
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