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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - Mp 3025 (NQH) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC C05FB, C11B9, C15AB, or C15C1 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition - On/Vehicle - In Service Mode
  2. Perform the scan tool configuration/reset function: Transfer Case Range Actuator Correlation Learn 
  3. Wait 10 s before proceeding to the next step.
  4. Ignition/Vehicle - Off
  5. Wait 30 s before proceeding to the next step.
  6. Ignition - On/Vehicle - In Service Mode
  7. Verify DTC C05FB, C11B9, C15AB, C15C1 is not set.
    • If the DTC is set 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC is not set 
  8. Operate the vehicle within the Conditions for Running the DTC.

    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 
  9. All OK.
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