Engine-Codes - Generic - U1044

U1044 Code - Engine Communication Circuit

- Code Popularity: 5,937 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 U1044?

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 Generator
  • Generator harness is open or shorted
  • Generator circuit poor electrical connection
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How to Fix the DTC U1044?

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 U1044 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 U1044 Code Mean?

The Diagnostic Trouble Code (DTC) sets when a signal voltage of Local Interconnect Network (LIN) communication between Engine Control Module (ECM) and Generator is excessively low or excessively high.

U1044 Code - Engine Communication Circuit

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Code U1044 Information for Specific Makes

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