Engine-Codes - Generic - P1244

P1244 Code - Alternator Load Input Failed High

- Code Popularity: 12,872 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P1244?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Alternator/Generator
  • Alternator/Generator harness is open or shorted
  • Alternator/Generator circuit poor electrical connection
  • Damaged Powertrain Control Module (PCM)
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How to Fix the DTC P1244?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1244 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P1244 Code Mean?

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.

P1244 Code - Alternator Load Input Failed High

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Code P1244 Information for Specific Makes

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