The automobile fault code U1104 indicates a problem with the Controller Area Network (CAN) Communication System or the Driving Support ECU.

The symptoms of this fault code are not specified. The possible causes include a faulty CAN Communication System, faulty Driving Support ECU, open or shorted Driving Support ECU harness, or poor electrical connection in the Driving Support ECU circuit. The repair time for this fault code is estimated to be 1.0.

To fix this issue, one should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins. It is important to address this issue promptly to avoid further damage to the vehicle.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

Here are some symptoms that may indicate the presence of the automobile fault code u1104:

  • The U1104 fault code in automobiles can cause a range of symptoms, including the following: ABS warning light on, traction control warning light on, stability control warning light on, engine warning light on, speedometer not working, erratic speedometer readings, and loss of communication with the ABS module.

The automobile fault code u1104 can be caused by various factors, including a faulty CAN communication system and ECU components.

  • The automobile fault code U1104 can be caused by a faulty Controller Area Network (CAN) Communication System.
  • It can also be caused by a faulty Driving Support ECU.
  • Another cause of this fault code is an open or shorted Driving Support ECU harness.
  • Lastly, a poor electrical connection in the Driving Support ECU circuit can also trigger the U1104 fault code.

To fix the u1104 automobile fault code, check the possible causes and inspect the related wiring harness, connectors, and components for damage.

  • To fix the automobile fault code u1104, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The automobile fault code U1104 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour.

Therefore, the total cost of fixing the U1104 fault code will depend on the hourly rate charged by the auto repair shop and the estimated repair time required to diagnose and fix the issue.

The u1104 fault code is a common issue that triggers the engine light to turn on.

This warning light is also known as the Service Engine Soon Warning Light.

When this fault code appears, it indicates that there is a communication problem between the engine control module and the fuel injection control module.

This issue can cause a range of problems, including poor engine performance, reduced fuel efficiency, and even stalling. It is important to address this issue as soon as possible to prevent further damage to your vehicle. A professional mechanic can diagnose and fix the problem to ensure your car is running smoothly and efficiently.

What are the possible causes of the u1104 automobile fault code?

The u1104 automobile fault code can be caused by a faulty Controller Area Network (CAN) Communication System, a faulty Driving Support ECU, an open or shorted Driving Support ECU harness, or a poor electrical connection in the Driving Support ECU circuit. To fix this issue, one should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can the faulty Driving Support ECU be fixed in case of the u1104 fault code?

If you encounter the u1104 fault code, it could be due to a faulty Driving Support ECU or a faulty Controller Area Network (CAN) Communication System. To fix it, you need to visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins. Check the “Possible Causes” listed above to identify the root cause of the issue.

What steps should be taken to visually inspect the related wiring harness and connectors in case of the u1104 fault code?

To visually inspect the related wiring harness and connectors in case of the u1104 fault code, check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. Also, check the “Possible Causes” listed above and inspect the Driving Support ECU harness for open or shorted circuits and poor electrical connections.

u1104 error fault code explained

To fix the u1104 fault code, check the possible causes listed above, visually inspect the wiring harness and connectors, and look for damaged components or corroded pins.

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