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Home >> Buick >> 2019 >> Encore Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Engine Cooling System) >> Diagnostic Information and Procedures >> DTC P112F >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2018 Chevrolet Trax and 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool Radiator Coolant Temperature Sensor parameter is between -39 to + 120°C (-38 to +248°F) and changes with engine run time.
    • If not between -39 to + 120°C (-38 to +248°F) or does not change 

      Refer to Circuit/System Testing.

    • Go to next step: If between -39 to + 120°C (-38 to +248°F) and changes 
  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. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

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