DTC P0629 00: Fuel Pump Control Module Circuit High Input: Notes
DTC P0629 00 DETECTION CONDITIONS AND POSSIBLE CAUSES (SKYACTIV-G 2.0, SKYACTIV-G 2.5)
| 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 (Mode 2) is not available.
- Snapshot data is available.
- DTC is stored in the PCM memory.
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| FAIL-SAFE FUNCTION |
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| 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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 Courtesy of MAZDA MOTORS CORP.
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