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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls And Fuel - 2.4L - DTC P0114 To DTC P0604) >> Diagnostic Information and Procedures >> DTC P0231, P0232, or P023F: Fuel Pump Control Circuit (Fuel Pump Power Control Module) >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.

Static Test

  1. Ignition OFF, disconnect the harness connector at the K111 Fuel Pump Power Control Module.
  2. Connect a DMM, set on the diode setting, with the positive lead at terminal 16 and the negative lead at terminal 9 of the K111 Fuel Pump Power Control Module
  3. Test for 0.4-0.8V between terminal 16 and terminal 9.
    • If not between 0.4-0.8V 

      Replace the K111 Fuel Pump Power Control Module.

    • If between 0.4-0.8V 
  4. Connect a DMM, set on the diode setting, with the positive lead at terminal 9 and the negative lead at terminal 16 of the K111 Fuel Pump Power Control Module
  5. Test for OL between terminal 9 and terminal 16.
    • If not OL 

      Replace the K111 Fuel Pump Power Control Module.

    • If OL 
  6. All OK
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