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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Engine Controls And Fuel - 1.6L (LWC) - DTC P0243 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2227-P2230 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC P0641, P0651, P06A3, or P06D2 is not set.
    • Go to next step: If a DTC is not set 
  3. Verify the scan tool BARO parameter is within the range specified in the Altitude Versus Barometric Pressure table.
    • If the BARO is not within the specified range 

      Refer to Circuit/System Testing.

    • Go to next step: If the BARO is within the specified range 
  4. Verify the scan tool Boost Pressure parameter and the BARO parameter are within 3 kPa (0.43 PSI).
    • If not within 3 kPa (0.43 PSI) 

      Refer to DTC P0236 .

    • Go to next step: If within 3 kPa (0.43 PSI) 
  5. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed in 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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