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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2090 (Engine Controls - Powertrain DTC Charts And Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> P0620 - Generator Control Circuit

P0620 - Generator Control Circuit

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P0620 - GENERATOR CONTROL CIRCUIT

Description:  The powertrain control module (PCM) reads the GENLI and sends a DTC through the network when the signal frequency of GENLI indicates a concern.
Possible Causes: 
  • I-line control (ILC) circuit short to ground
  • ILC circuit short to voltage
  • ILC circuit open
  • GENLI circuit short to voltage or ground
  • GENLI circuit open
  • 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   refer to PINPOINT TEST HY .
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