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Home >> Subaru >> 2019 >> Crosstrek Base, Automatic CVT Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (Except For HEV) (3 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P2004: TGV Control Stuck Open Bank 1 >> Notes

DTC P2004: TGV Control Stuck Open Bank 1: Notes

  1. DTC detecting condition: 

    Immediately at fault recognition

    NOTE: After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Refer to ENGINE (DIAGNOSTICS) (H4DO (EXCEPT FOR HEV))>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
  1. CHECK DTC  .

    Using the Subaru Select Monitor or a general scan tool, read the DTC of [Engine]. Refer to ENGINE (DIAGNOSTICS) (H4DO (EXCEPT FOR HEV))>DIAGNOSTIC TROUBLE CODE (DTC) .

    Is DTC other than P2004 displayed? (Current malfunction)

    Yes: 

    Check the appropriate DTC using the "Diagnostic Trouble Code (DTC)". Refer to ENGINE (DIAGNOSTICS) (H4DO (EXCEPT FOR HEV))>DIAGNOSTIC TROUBLE CODE (DTC) .

    No: 

    Go to  2.

  2. CHECK TUMBLE GENERATOR VALVE RH  .
    1. Remove the tumble generator valve assembly RH.
    2. Check the tumble generator valve.

      Is there any dirt or clogging with foreign objects in the tumble generator valve?

      Yes: 

      Clean the tumble generator valve.

      No: 

      Replace the tumble generator valve RH. Refer to FUEL INJECTION (FUEL SYSTEMS) (H4DO (EXCEPT FOR HEV))>TUMBLE GENERATOR VALVE .