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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 753 (Engine Controls - Powertrain DTC Charts & Descriptions - CNG, Flex-Fuel & Gasoline) >> Diagnostic Trouble Code (DTC) Charts >> P0620 - Generator Control Circuit Failure

P0620 - Generator Control Circuit Failure

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P0620 - GENERATOR CONTROL CIRCUIT FAILURE

Description:  The PCM reads the I-Line (or the ALF) and sends a DTC through the network when the I-Line (or ALF) indicates a fault.
Possible Causes: 
  • ILC circuit short to GND.
  • ILC circuit short to B+.
  • ILC circuit open.
  • ALF circuit short to GND.
  • ALF circuit short to B+.
  • B+ circuit open.
  • Generator drive mechanism.
  • Damaged generator/regulator assembly.
  • Damaged PCM.
Diagnostic Aids:  Verify the battery voltage is 14.5 volts. Verify the generator/regulator has the correct part number.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to HY: Generator/Regulator System STEP 1
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