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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls And Fuel - 3.6L (LFX) - DTC P0010 To DTC P0346) >> Diagnostic Information and Procedures >> DTC P0030-P0032, P0036-P0038, P0050-P0054, P0056-P0060, P0135, P0141, P0155, or P0161: HO2S Heater Control Circuit/HO2S Heater Resistance/HO2S Heater Performance >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON.
  2. Verify the parameters listed below do not display Malfunction when commanding the HO2S Heater Bank 1 or 2 Sensor 1 or 2 ON and OFF with a scan tool.
    • HO2S Heater Control Circuit Low Voltage Test Status Bank 1 or 2 Sensor 1 or 2
    • HO2S Heater Control Circuit Open Test Status Bank 1 or 2 Sensor 1 or 2
    • HO2S Heater Control Circuit High Voltage Test Status Bank 1 or 2 Sensor 1 or 2
    • If Malfunction is displayed 

      Refer to Circuit/System Testing.

    • If Malfunction is not displayed 
  3. 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.
  4. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  5. All OK.