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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 P00C7: Intake Air Pressure Measurement System - Multiple Sensors Not Plausible >> 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. Ignition ON.
  2. Verify DTC P0106, P0107, P0108, P2227, P2228, P2229 or P2230 is not set.
    • Go to next step : If none of the DTCs are set 
  3. Verify the scan tool parameters listed below are within range of the Altitude Versus Barometric Pressure table.
    • BARO Sensor
    • MAP Sensor
    • If a sensor parameter is not within range 

      Refer to the appropriate diagnostic listed below for further diagnosis.

    • Go to next step : If the parameters are within range 
  4. All OK
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