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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls And Fuel - 2.5L (LCV) - Diagnostic Information And Procedures (P0010 - P034B)) >> Diagnostic Information And Procedures >> DTC P0097, P0098, Or P0099: Intake Air Temperature (IAT) Sensor 2 Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition On.
  2. Verify that DTC P00F4, P00F5, P00F6, P0102, P0103, P0641, P0651, P0697, P06A3, or P06D2 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Engine running.
  4. Verify the following scan tool IAT Sensor 2 parameter is between -38 and +149°C (-36 and +300°F).
    • If not between: -38 and +149°C (-36 and +300°F) 

      Refer to Circuit System Testing.

    • Go to next step: If between: -38 and +149°C (-36 and +300°F) 
  5. 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.
  6. 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 
  7. All OK
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