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Home >> Chevrolet >> 2017 >> City Express LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L >> Diagnostic Information And Procedures >> DTC P0125 >> Circuit/System Verification
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Circuit/System Verification

  1. Verify the cooling system is filled to the correct coolant level. Refer to Cooling System Leak Testing , and Cooling System Draining and Filling .
    • If the coolant level is not correct 

      Repair as necessary

    • Go to next step: If the coolant level is correct 
  2. Verify the DTC P0116, P0117, P0118 is not set.
    • Go to next step: If none of the DTCs are set 
  3. 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.
  4. Engine running at idle speed for 65 minutes.
    • If any of the DTCs set 

      Refer to Component Testing.

    • Go to next step: If none of the DTCs set 
  5. All OK