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Home >> Mazda >> 2017 >> 6 Touring, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> On-Board Diagnostic (2 Of 4) (SKYACTIVE-G 2.5) >> DTC P0629-00; Fuel Pump Control Module Circuit High Input >> Notes
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DTC P0629-00; Fuel Pump Control Module Circuit High Input: Notes

DETECTION CONDITION & POSSIBLE CAUSE

DTC P0629:00 Fuel pump control module circuit high input
DETECTION CONDITION
  • Over-current is detected.

    Diagnostic support note

  • This is a continuous monitor (CCM).
  • The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
  • FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
  • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION
  • Stops fuel pump control
POSSIBLE CAUSE
  • Fuel pump unit connector or terminals malfunction
  • Fuel pump unit malfunction
  • Fuel pump control module connector or terminals malfunction
  • Short to power supply in wiring harness between the following terminals:
    • Fuel pump unit terminal A-Fuel pump control module terminal 2C
      • Fuel pump unit terminal B-Fuel pump control module terminal 2D
  • Fuel pump relay malfunction
  • Fuel pump control module malfunction
  • PCM malfunction
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