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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (1 Of 5)) >> Diagnostic Information and Procedures >> DTC P0046, P2599, or P2958 >> Repair Instructions

Repair Instructions

WARNING: This page is about a different variant/trim than selected.

Perform the Diagnostic Repair Verification after completing the repair: Diagnostic Repair Verification

Additional Procedures 

NOTE:

The DTC causing the Driver Information Center message/speed limitation to set must run and pass before the message/speed limitation will clear. This may require driving the vehicle.

Additional Procedures

    NOTE:

    The DTC causing the Driver Information Center message/speed limitation to set must run and pass before the message/speed limitation will clear. This may require driving the vehicle.

  1. Ignition - On/Vehicle - In Service Mode
  2. Turbocharger/Supercharger Boost Control Initial Position Learn - Perform only when the following component/system is replaced or serviced: Turbocharger
  3. Verify that all scan tool Event Data parameters under the following data list displays No: Exhaust Gas Recirculation System Malfunction Warning Event Data
    • If not the specified state 

      Operate the vehicle within the Conditions for Running the DTC for the DTC identified by the Event Data parameter displaying Yes.

    • Go to next step: If the specified state 
  4. All OK.