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Home >> Mazda >> 2022 >> CX-5 S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (On-Board Diagnostic - Engine Control System (VIN Y) (5 Of 7)) >> DTC P0629-00: Fuel Pump Control Module Circuit High Input >> Notes

DTC P0629-00: Fuel Pump Control Module Circuit High Input: Notes

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DTC P0629-00: (PCM, VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE

DTC P0629-00: Fuel pump control module circuit high input
DETECTION CONDITION
  • The PCM detects over-current during the fuel pump control module control.

    Diagnostic support note

  • This is a continuous monitor (CCM).
  • The check engine light does not illuminate.
  • FREEZE FRAME DATA is not available.
  • 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 control module malfunction
  • PCM malfunction
G14463971Courtesy of MAZDA MOTORS CORP.