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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls And Fuel - 6.0L (L96) - DTC P0010 To DTC P0341) >> Diagnostic Information And Procedures >> DTC P0131, P0132, P0137, P0138, P0151, P0152, P0157 Or P0158: HO2S Circuit(s) >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. 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 Bank 1 or 2 Sensor 1 or 2 parameters are between 50 - 1, 050 mV.
    • If not between 50 - 1, 050 mV 

      Refer to Circuit/System Testing below.

    • Go to next step: If between 50 - 1, 050 mV 
  5. Operate the vehicle within the Conditions for Running. 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 below.

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