Engine-Codes - Generic - U1044

U1044 - Engine Communication Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

U1044 Possible Causes

  • Faulty Generator
  • Generator harness is open or shorted
  • Generator circuit poor electrical connection

How is the U1044 code repair?

Start by checking 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's pins.

What is the cost to diagnose the U1044 code

Labor: 1.0

The cost to diagnose the U1044 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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Possible Symptoms

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

U1044 Meaning

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.

More Information

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Information for specific makes

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