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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 P003A or P100B >> 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 P0045, P0046, P0641, P169E, P169F, P16FA, P16FC, P2564, P2565, P2598, P2599, U0656 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Perform the scan tool control function: Turbocharger/Supercharger Boost Control Initial Position Learn
    • If the DTC sets 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC does not set 
  4. Perform the scan tool control function: Turbocharger/Supercharger Boost Control Position - Increase & Decrease

    Verify the control rod of the actuator moves smoothly over the full range.

    • If the control rod does not move smoothly over the full range 

      Refer to: Circuit/System Testing

    • Go to next step: If the control rod moves smoothly over the full range 
  5. Engine - Idling - For greater than 1 min
  6. Ignition/Vehicle - Off - For greater than 2 min
  7. Ignition - On/Vehicle - In Service Mode
  8. Verify DTC P003A, P100B is not set.
    • If the DTC sets 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC does not set 
  9. 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 DTC P003A, P100B is not set.

    • If the DTC sets 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC does not set 
  10. All OK.
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