P1244 - Alternator Load Input Failed High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Alternator/Generator
  • Alternator/Generator harness is open or shorted
  • Alternator/Generator circuit poor electrical connection
  • Damaged Powertrain Control Module (PCM)

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1244 Description

The Powertrain Control Module (PCM) monitors generator load from the generator/regulator in the form of frequency. The fault indicates the input is lower than the load should be in normal operation. The load input could be high when a battery short to ground exists.
OBDII Code P1244 - Alternator Load Input Failed High - AutoCodes.com

P1244 Information for specific makes

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P1244 Comments

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