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Home >> Chevrolet >> 2017 >> Traverse Premier, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 3.6L (LLT) - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P12A6: Fuel Pump Driver Control Module Enable Circuit Performance >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify that DTC P12A6 is not set.
    • If the DTC is set 

      Refer to Circuit/System Testing.

    • If the DTC is not set 
  3. Verify the parameters listed below do not display Malfunction when commanding the Fuel Pump Enable On and Off with a scan tool.
    • Fuel Pump Enable Circuit Low Voltage Test Status
    • Fuel Pump Enable Circuit Open Test Status
    • Fuel Pump Enable Circuit High Voltage Test Status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing.

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

      Refer to Circuit/System Testing.

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