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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Controls And Fuel - 5.3L (L83) Or 6.2L (L86) - DTC P0010 To DTC P0442) >> 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 does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Engine idling.
  2. Verify the scan tool IAT Sensor 2 parameter is between -38 to +149°C (-36 to +300°F).
    • If not between -38 to +149°C (-36 to +300°F) 

      Refer to Circuit System Testing below.

    • Go to next step : If between -38 to +149°C (-36 to +300°F) 
  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 does set 

      Refer to Circuit/System Testing below.

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