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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (5 Of 5)) >> Diagnostic Information and Procedures >> DTC P2463 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC P0422, P244C, P24A0 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Verify there are no DTCs set related to the following component/system:
    • B17 Barometric Pressure Sensor
    • B34 Engine Coolant Temperature Sensor
    • B65 Intake Manifold Pressure and Air Temperature Sensor
    • B75C Multifunction Intake Air Sensor
    • B130 Exhaust Gas Recirculation Temperature Sensor
    • B131 Exhaust Temperature Sensor
    • B154 Diesel Particulate Filter Exhaust Differential Pressure Sensor
    • Q14 Exhaust Gas Recirculation Valve
    • Q17 Fuel Injector
    • Q22 Intake Manifold Tuning Solenoid Valve
    • Go to next step: If a related DTC is not set 
  4. 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.

    Verify the DTC does not set.

    • If the DTC sets 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC is not set 
  5. All OK.