P0627 - Fuel Pump A Control Circuit/Open
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DTC DESCRIPTION P0627 - FUEL PUMP A CONTROL CIRCUIT/OPEN
| Description: | The fuel pump control module monitors the fuel pump module and secondary circuits for a concern. If the fuel pump control module detects a concern with the fuel pump module or secondary circuits, the fuel pump control module sends an 80% duty cycle signal on the fuel pump monitor (FPM) circuit to report the concern to the PCM. This DTC sets when the fuel pump control module is still reporting a concern with the fuel pump module or secondary circuits after a calibrated amount of time. | ||
| Possible Causes: |
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| Diagnostic Aids: | Check for any harness concerns. The fuel pump control module controls the speed of the fuel pump module by supplying a variable voltage to the fuel pump module on the FPPWR circuit. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test KC. | ||