The automobile fault code U1105 indicates a problem with a module that is not communicating properly. This can cause the engine light to turn on, indicating a need for service. The cause of this issue could be a faulty module, an open or shorted module harness, or a poor electrical connection in the module circuit.

It is important to visually inspect the wiring harness and connectors for any damage or corrosion.

The repair time for this issue is estimated to be around 1.0, and it is crucial to address this problem promptly to avoid further damage to the vehicle.

To interpret the fault code, it is recommended to check the “Possible Causes” listed above and inspect the related components thoroughly.

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

If you notice the Engine Light ON (or Service Engine Soon Warning Light), it could be due to the u1105 fault code.

Here are the symptoms to look out for:

  • The automobile fault code U1105 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u1105 can be caused by a faulty module, open or shorted module harness, or poor electrical connection.

  • The automobile fault code u1105 can be caused by a faulty module that is not communicating.
  • It can also be caused by an open or shorted module harness.
  • Additionally, a poor electrical connection in the module circuit can also trigger this fault code.

To fix the u1105 automobile fault code, check the possible causes and inspect the related wiring harness, connectors, and components for damage.

  • To fix the automobile fault code u1105, 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 U1105 can be diagnosed and fixed within an estimated repair time of 1.0 hour. The cost of repair is influenced by the repair time, which is commonly charged between $75 and $150 per hour by most auto repair shops.

Therefore, the total cost of fixing the U1105 fault code will depend on the hourly rate charged by the repair shop and the estimated repair time required to fix the issue.

The U1105 fault code is related to the class 2 serial data circuit in automobiles. Modules in the circuit monitor for serial data communications during normal vehicle operation.

When a module does not associate an identification number with at least one critical parameter within 5 seconds of beginning serial data communication, the U1105 DTC is set.

This fault code specifically indicates invalid or missing data for chassis status request.

What are the possible causes of the u1105 automobile fault code when the engine light is on?

If your engine light is on and you’re getting the u1105 fault code, it could be due to a faulty module that is not communicating, an open or shorted module harness, or a poor electrical connection in the module circuit. To fix this issue, you 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 a faulty module that is not communicating be fixed when it triggers the u1105 fault code?

If you’re experiencing an illuminated Engine Light or Service Engine Soon Warning Light, it could be due to a faulty module that is not communicating, triggering the u1105 fault code. To fix this issue, start by checking the possible causes listed above. Inspect the wiring harness and connectors for any damage or poor electrical connections. Look for broken, bent, pushed out, or corroded connector pins. A thorough visual inspection should help identify the problem and allow for a proper fix.

What steps should be taken to visually inspect the wiring harness and connectors when troubleshooting the u1105 fault code?

When troubleshooting the u1105 fault code, start by checking the “Possible Causes” listed above. To visually inspect the wiring harness and connectors, look for broken, bent, pushed out, or corroded connector’s pins. Check for damaged components and ensure that the module harness is not open or shorted. This will help identify the cause of the problem and allow for a proper fix.

u1105 error fault code explained

If your engine light is on due to a faulty module that is not communicating, an open or shorted module harness, or poor electrical connection, visually inspect the wiring harness and connectors for damage. Check for broken, bent, pushed out, or corroded connector pins.

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