The automobile fault code U1199 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 u1199 fault code. Here are the symptoms to look out for:

  • The automobile fault code U1199 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u1199 can be caused by a faulty module, open or shorted module harness, or poor electrical connection.

  • The automobile fault code U1199 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.
  • These are the three main causes of the U1199 fault code.

Below are the possible fixes for the automobile fault code u1199, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u1199, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for 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 U1199 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 diagnosis and fixing the U1199 fault code will depend on the hourly rate charged by the auto repair shop and the estimated repair time required to fix the issue.

The U1199 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 U1199 code is set.

This code indicates that there is invalid or missing data for external A.

What are the possible causes of the u1199 automobile fault code that triggers the engine light or service engine soon warning light?

If you see the engine light or service engine soon warning light on your dashboard, it could be due to the u1199 fault code. This code is usually caused by 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 you fix the u1199 automobile fault code issue?

If you’re experiencing the u1199 automobile fault code issue, you may notice that your engine light is on or that the service engine soon warning light is illuminated. This issue is typically caused by 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.

What steps should you take to visually inspect the related wiring harness and connectors to identify the cause of the u1199 automobile fault code?

If you’re experiencing the u1199 automobile fault code, start by checking the “Possible Causes” listed above. To identify the cause, visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins. This will help you determine if the issue is caused by a faulty module that is not communicating, an open or shorted module harness, or a module circuit with poor electrical connection.

u1199 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’s pins.

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