[SOLVED] U135B Code: Fixing Lost Communication With Sunload Sensor

The automobile fault code U135B indicates a problem with the Control Module, which is setting the Diagnostic Trouble Code (DTC).

The most common symptom is the Engine Light ON or Service Engine Soon Warning Light. The cause of this fault code could be a faulty Control Module, an open or shorted Control Module harness, or a poor electrical connection in the Control Module circuit.

The repair importance is high as it can affect the performance of the vehicle. The difficulty level of the repair is moderate, and it may take around 1.0 hour to fix.

To interpret the fault code, one needs to check the possible causes listed above and visually inspect the related wiring harness and connectors.

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 a sign of u135b fault code.

Here are the symptoms to look out for:

  • The automobile fault code U135B has the following symptoms: Engine Light ON, Service Engine Soon Warning Light.

The automobile fault code u135b can be caused by a faulty control module, open or shorted harness, or poor electrical connection.

  • The automobile fault code U135B can be caused by a faulty control module that sets the diagnostic trouble code (DTC).
  • It can also be caused by an open or shorted control module harness.
  • Additionally, a poor electrical connection in the control module circuit can also trigger this fault code.
  • These are the three main causes of the U135B fault code in automobiles.

Below are the possible fixes for the automobile fault code u135b, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u135b, 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 U135B has an estimated repair time of 1.0 hour.

The cost of fixing this fault code is influenced by the repair time. Most auto repair shops charge between $75 and $150 per hour for their services.

Therefore, the fixing cost of U135B will range between $75 and $150, depending on the repair time required.

The U135B code is related to the Local Interconnect Network (LIN) Bus. It occurs when there is a loss of serial data communication between the master control module and the Sunload S device.

This code is set when a supervised periodic message that includes the transmitter device availability has not been received. The LIN Bus consists of a single wire with a transmission rate of 10.417 Kbits.

The master control module sets a no communication code against the non-communicating LIN device.

What are the possible causes of the u135b 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 u135b fault code. This code is usually caused by a faulty control module setting the diagnostic trouble code (DTC), an open or shorted control module harness, or a poor electrical connection in the control 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 visually inspect the related wiring harness and connectors to fix the u135b automobile fault code?

If you’re experiencing the u135b automobile fault code, you may notice that your engine light is on or that the service engine soon warning light is illuminated. This is likely due to a faulty control module setting the diagnostic trouble code (DTC), or a control module harness that is open or shorted, or a control module circuit with a poor electrical connection. 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 are the specific steps to take when checking for damaged components and looking for broken, bent, pushed out, or corroded connector’s pins to fix the u135b automobile fault code?

To fix the u135b automobile fault code, start by checking the possible causes, including a faulty control module setting the diagnostic trouble code, an open or shorted control module harness, or a poor electrical connection in the control module circuit. Visually inspect the related wiring harness and connectors, and look for damaged components and broken, bent, pushed out, or corroded connector’s pins.

u135b error fault code explained

If your engine light is on, it could be due to a faulty control module or poor electrical connection. Check the wiring harness and connectors for damage or corrosion.

Look for broken, bent, or pushed out pins.

Visually inspect the components and follow the listed possible causes.

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