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Home >> Cadillac >> 2011 >> CTS V, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.2L - DTC P0231 Through DTC P0690 >> DTC P0601-P0604, P0606, or P062F (Fuel Pump Control Module) >> Circuit/System Verification

Circuit/System Verification

NOTE: This DTC may be stored as a history DTC without affecting the operation of the module. If stored only as a history DTC and not retrieved as a current DTC, do not replace the module.
  1. Verify that DTC P0602 is not set.
    • If the DTC is set, program the K27 fuel pump control module.
  2. Verify that DTCs P0601, P0603, P0604, P0606, and P062F are not set.
    • If the DTCs are set, program the K27 fuel pump control module. If the DTCs reset, replace the K27 fuel pump control module.
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