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Home >> Saab >> 2010 >> 9-5 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Fuel Delivery >> Engine Management And Fuel System, V6 (3 Of 5) >> DTC P1255: Fuel Pump Control Module Performance; DTC P064A: Fuel Pump Control Module Driver Over-Temperature >> Circuit/System Testing

Circuit/System Testing

  1. Verify that DTC P0231, P0232 or P023F are not set.
  2. If any of those codes are set, refer to DTC P0231, P0232, OR P023F .
  3. Ensure that the entire undercarriage of the vehicle is clean, especially around the area where the K27 fuel pump control module is located. Clear all codes from the K27 fuel pump control module and test drive the vehicle. Verify that DTC P1255 or P064A do not set.
  4. If DTC P1255 or P064A reset, replace the K27 fuel pump control module.
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