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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 278 (Engine Controls And Fuel - 3.6L (LGX LF4) - DTC P0117 (LGX) To DTC P0697) >> Diagnostic Information and Procedures >> DTC P0243, P0245-P0247, P0249, or P0250: Turbocharger Wastegate Solenoid Valve Control >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the parameters listed below do not display Malfunction when commanding the Turbocharger Wastegate Solenoid Valve between 15-95 % with a scan tool.
    • Turbocharger Wastegate Solenoid Valve Control Circuit High Voltage Test Status Bank 1
    • Turbocharger Wastegate Solenoid Valve Control Circuit Open Test Status Bank 1
    • Turbocharger Wastegate Solenoid Valve Control Circuit Low Voltage Test Status Bank 1
    • Turbocharger Wastegate Solenoid Valve Control Circuit High Voltage Test Status Bank 2
    • Turbocharger Wastegate Solenoid Valve Control Circuit Open Test Status Bank 2
    • Turbocharger Wastegate Solenoid Valve Control Circuit Low Voltage Test Status Bank 2
    • If Malfunction is displayed 

      Refer to Circuit/System Testing.

    • If Malfunction is not displayed 
  3. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  4. Verify a DTC does not set.
    • If a DTC sets 

      Refer to Circuit/System Testing

    • If a DTC does not set 
  5. All OK
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