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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Controls And Fuel - 2.0L (LTG) - DTC P0335 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P1255: Fuel Pump Control Module Driver High Temperature >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON.
  2. Verify DTC P0231, P0232 or P023F is not set.
    • If none of the DTCs are set 
  3. Verify that the area where the K111 Fuel Pump Driver Control Module is located is free of debris, clutter or any insulating material that would cause the fuel pump driver control module to overheat.
    • If any debris, clutter or other material is found 
    1. Clear the area where the K111 Fuel Pump Driver Control Module is located.
    2. Clear the DTC and test drive the vehicle.
    3. Verify DTC P1255 is not set.
      • If DTC P1255 is set, replace the K111 Fuel Pump Driver Control Module.
      • If DTC P1255 is not set
    4. All OK.
    • If no debris, clutter or other material is found 
  4. Clear the DTC and test drive the vehicle.
  5. Verify DTC P1255 is not set.
    • If DTC P1255 is set 

      Replace the K111 Fuel Pump Driver Control Module.

    • If DTC P1255 is not set. 
  6. All OK.
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