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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 2.0L (LTG) - DTC P0010 To DTC P0333 >> Diagnostic Information and Procedures >> DTC P00C7: Intake Air Pressure Measurement System >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify that DTCs P0106, P0107, P0236, P0237, P0238, P2227, P2228, P2229 or P2230 are not set.
    • If none of the DTCs is set 
  3. Ignition ON, verify the following scan tool parameters are within range of the Altitude vs. Barometric Pressure table. Refer to: Altitude Versus Barometric Pressure (With LFX) table.
    • BARO Sensor
    • MAP Sensor
    • Turbocharger Boost Sensor
    • If a sensor parameter is not within range 

      Refer to the appropriate diagnostic below for further diagnosis.

    • Barometric Pressure (BARO) Sensor. Refer to: DTC P2227-P2230
    • Manifold Absolute Pressure (MAP) Sensor. Refer to: DTC P0106 
    • Turbocharger Boost Pressure Sensor. Refer to: DTC P0236 
    • If all sensor parameters are within range 
  4. All OK
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