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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Engine Controls And Fuel - 1.4L (LUJ LUV) - DTC P0300 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2261: Turbocharger Bypass Valve Stuck >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition OFF, disconnect the harness connector at the Q40 Turbocharger Bypass Solenoid Valve.
  2. Test for 20-27 Ω between terminal 1 and terminal 2 of the solenoid valve.
    • If not between 20-27 Ω 

      Replace the Q40 Turbocharger Bypass Solenoid Valve.

    • If between 20-27 Ω 
  3. All OK

Dynamic Test

  1. Install a 10 A fused jumper wire between the Ignition terminal 2 and 12 V. Install a jumper wire between the control terminal 1 and ground.
  2. Verify the solenoid clicks.
    • If the solenoid does not click 

      Replace the Q40 Turbocharger Bypass Solenoid Valve.

    • If the solenoid clicks 
  3. All OK
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