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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (Engine Controls And Fuel - 1.8L (LKN) - DTC P0010-DTC P0459) >> Diagnostic Information and Procedures >> DTC P0231, P0232, or P023F >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition/Vehicle Off, disconnect the harness connector at the K111 Fuel Pump Driver 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 Driver Control Module
  3. Test for 0.4 - 0.8 V between terminal 16 and terminal 9.
    • If not between 0.4 - 0.8 V 

      Replace the K111 Fuel Pump Driver Control Module.

    • Go to next step: If between 0.4 - 0.8 V 
  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 Driver Control Module
  5. Test for OL between terminal 9 and terminal 16.
    • If not OL 

      Replace the K111 Fuel Pump Driver Control Module.

    • Go to next step: If OL 
  6. All OK
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