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P1245 - Alternator Load Low Input

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P1245 - ALTERNATOR LOAD LOW INPUT

Description:  The powertrain control module (PCM) monitors generator load from the generator/regulator in the form of frequency. The concern indicates the input is lower than the load should be in normal operation. The load input could be low when no generator output exists.
Possible Causes: 
  • GENRC circuit short to ground
  • GENLI circuit short to ground
  • Open B+ wire during operation
  • Low system voltage
  • Broken generator belt
  • 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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