U044A - Invalid Data Received From Gateway Control Module 'D'
U044A Possible Causes
- Faulty Gateway Control Module 'D'
- Gateway Control Module 'D' harness is open or shorted
- Gateway Control Module 'D' circuit poor electrical connection
How do I fix code U044A?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's pins.
Cost of diagnosing the U044A code
Labor: 1.0The cost of diagnosing the U044A code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
U044A DescriptionA Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. Some devices are constantly receiving information from other devices through serial data communication network. The invalid data Diagnostic Trouble Code (DTC) will be set when a receiving device detects a discrepancy in the information it receives from the Gateway Control Module 'D' causing its integrity to be questioned.
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