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Home >> Subaru >> 2021 >> Outback Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) (3 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P2004: TGV Control Stuck Open Bank 1 >> Notes
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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. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
  1. CHECK DTC  .
    1. Turn the ignition switch to ON.
    2. Using the Subaru Select Monitor or a general scan tool, read the DTC of [Engine]. Ref. to COMMON (DIAG)>DIAGNOSTIC TROUBLE CODE (DTC) .

      Is DTC other than P2004 displayed? (Current malfunction)

      Yes  : Check the appropriate DTC using the "Diagnostic Trouble Code (DTC)". Ref. to ENGINE (DIAGNOSTICS) (H4DO)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

      No  : Go to  2 .

  2. CHECK TUMBLE GENERATOR VALVE RH  .
    1. Remove the intake manifold assembly. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>INTAKE MANIFOLD ASSEMBLY .
    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. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>TUMBLE GENERATOR VALVE .

      NOTE: The tumble generator valve cannot be disassembled.