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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Controls And Fuel - 2.0L (LTG) - DTC P0010-DTC P0336) >> 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.
  1. Ignition/Vehicle & All vehicle systems - Off
  2. Disconnect the electrical connector:K111 Fuel Pump Driver Control Module
  3. Connect a DMM, set on the diode setting, between the test points:
    • Red lead @ Low Reference terminal 24
    • Black lead @ Ground terminal 22
  4. Verify the DMM displays between 0.4 and 0.8 V.
    • If not between 0.4 and 0.8 V 

      Replace the component:K111 Fuel Pump Driver Control Module

    • Go to next step: If between 0.4 and 0.8 V 
  5. Connect a DMM, set on the diode setting, between the test points:
    • Red lead @ Ground terminal 22
    • Black lead @ Low Reference terminal 24
  6. Verify the DMM displays the following:O.L.
    • If not the specified value 

      Replace the component:K111 Fuel Pump Driver Control Module

    • Go to next step: If the specified value 
  7. All OK.
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