LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2010 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 510 (Engine Controls And Fuel - 3.6L (LLT) - DTC P0340 To DTC P2635 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P1255: Fuel Pump Control Module Driver Overtemperature >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  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 K111 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.