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Home >> Chevrolet >> 2022 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5)) >> Diagnostic Information and Procedures >> DTC P122D >> Repair Instructions

Repair Instructions

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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.

  1. Ignition - On / Vehicle - In Service Mode
  2. 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 Event Data parameter that displays Yes.

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