The automobile fault code U1154 indicates a problem with the Rear Seat Entertainment (RSE) Assembly in your vehicle. The most common symptom is the Engine Light turning on. The cause of this issue could be a faulty RSE assembly, an open or shorted RSE assembly harness, or a poor electrical connection in the RSE assembly circuit.

It is important to address this issue promptly as it can affect the overall performance of your vehicle. The repair process involves visually inspecting the wiring harness and connectors, checking for damaged components, and looking for broken, bent, pushed out, or corroded connector’s pins. The repair time for this issue is estimated to be around 1.0 hour.

To interpret the fault code, it is recommended to check the “Possible Causes” listed above.

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 u1154 fault code. Here are the symptoms to look out for:

  • The automobile fault code U1154 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u1154 can be caused by various issues, including a faulty Rear Seat Entertainment Assembly and poor electrical connections.

  • The automobile fault code U1154 can be caused by a faulty Rear Seat Entertainment (RSE) Assembly.
  • It can also be caused by an open or shorted Rear Seat Entertainment Assembly harness.
  • Additionally, a poor electrical connection in the Rear Seat Entertainment Assembly circuit can also trigger this fault code.

Below are some possible fixes for the automobile fault code u1154, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u1154, you need to check the possible causes listed above.
  • Visually inspect the related wiring harness and connectors for any damage.
  • Look 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 U1154 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 U1154 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 U1154 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 doesn’t receive a message for a critical operating parameter, it uses a default value for that parameter.

If a module doesn’t receive a Node Alive message from a learned identification number for 5 seconds, a Diagnostic Trouble Code (DTC) U1154 is set. This code specifically indicates that there is a lost communication with the Rear Seat Entertainment Assembly.

What are the possible causes of the u1154 automobile fault code?

If your engine light is on and you’re seeing the u1154 fault code, it could be due to a faulty Rear Seat Entertainment (RSE) Assembly, an open or shorted RSE Assembly harness, or a poor electrical connection in the RSE Assembly circuit. To fix the issue, visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector pins.

How can I fix the u1154 automobile fault code?

If you’re experiencing the u1154 fault code, which is indicated by the engine light being on, it may be due to a faulty Rear Seat Entertainment (RSE) Assembly, an open or shorted RSE Assembly harness, or a poor electrical connection in the RSE Assembly circuit. To fix this issue, you should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

What should I visually inspect to troubleshoot the u1154 automobile fault code?

If you’re experiencing the u1154 automobile fault code, you may notice that your engine light is on. This could be due to a faulty Rear Seat Entertainment (RSE) Assembly, an open or shorted RSE Assembly harness, or a poor electrical connection in the RSE Assembly circuit. To troubleshoot this issue, visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. Be sure to check the “Possible Causes” listed above for further guidance.

u1154 error fault code explained

If your engine light is on and you have a faulty Rear Seat Entertainment (RSE) Assembly, check the wiring harness and connectors for damage. Look for broken, bent, pushed out, or corroded connector pins.

Visually inspect the related components and fix any issues found.

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