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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Engine Controls And Fuel - 1.6L (LWC) - DTC P0010 To DTC P0238) >> Diagnostic Information and Procedures >> DTC P0131, P0132, P0137, or P0138 >> 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 no HO2S heater DTCs are set.
    • Go to next step: If a DTC is not set. 
  3. Engine running.
  4. Verify the scan tool HO2S 1 or 2 parameters are between 50 - 1, 050 mV.
    • If not between 50 - 1, 050 mV. 

      Refer to Circuit/System Testing.

    • Go to next step: If between 50 - 1, 050 mV. 
  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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