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Home >> Chevrolet >> 2025 >> Traverse RS, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Electronic Transmission Range Select >> Diagnostic Information and Procedures >> DTC P16F4 >> Circuit/System Verification

Circuit/System Verification

  1. Verify there are no communication DTCs set.
    • Go to next step: If there are no communication DTCs set 
  2. Check for updated software in K45 Powertrain Control Module.
    • If software is not current 

      Perform the programming for the K45 Powertrain Control Module.

    • Go to next step: If software is up to date 
  3. Replace the K45 Powertrain Control Module
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