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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 >> P1246 - Generator Load Input Failed

P1246 - Generator Load Input Failed

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P1246 - GENERATOR LOAD INPUT FAILED

Description:  The PCM monitors generator load from the generator/regulator in the form of frequency. The frequency range is determined by the temperature of the voltage regulator, where 97% indicates full load, and below 6% indicates no load.
Possible Causes: 
  • GEN-MON circuit short to GND.
  • GEN-MON circuit short to B+.
  • GEN-MON circuit open.
  • GEN-COM circuit short to GND.
  • GEN-COM circuit short to B+.
  • GEN-COM circuit open.
  • ILC circuit short to GND.
  • ILC circuit short to B+.
  • ILC circuit open.
  • Battery-sense 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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