[SOLVED] U026B Code: Fixing Lost Communication With Rear Radar Sensor

The automobile fault code U026B indicates a problem with the Left Rear Short Range Radar Sensor Module. The most common symptom is the Engine Light ON or Service Engine Soon Warning Light.

The cause of this issue could be a faulty sensor module, an open or shorted harness, or a poor electrical connection. 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.

To interpret the fault code, one should check the “Possible Causes” listed above and follow the recommended fix.

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 u026b fault code.

Here are the symptoms to look out for:

  • The automobile fault code U026B has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u026b can be caused by a faulty sensor module, open or shorted harness, or poor electrical connection.

  • The automobile fault code U026B can be caused by a faulty left rear short range radar sensor module.
  • It can also be caused by an open or shorted harness of the left rear short range radar sensor module.
  • Additionally, a poor electrical connection in the left rear short range radar sensor module circuit can also trigger this fault code.

To fix the automobile fault code u026b, check the possible causes and inspect the related wiring harness and connectors for any damage or corrosion.

  • To fix the automobile fault code u026b, 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 U026B has an estimated repair time of 1.0 hour.

The cost of fixing this code varies depending on the auto repair shop, but it is common for them to charge between $75 and $150 per hour.

These factors are influential in determining the overall cost of diagnosing and fixing the U026B fault code.

The U026B code is related to the high speed General Motor Local Area Network (GMLAN) serial data circuits.

Modules monitor for serial data communications during normal vehicle operation. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Left Rear Short Range Radar Sensor Module has not been received.

The U026B code indicates that there is a lost communication with the Left Rear Short Range Radar Sensor Module.

The supervision time-out period is 250 ms. Each message contains the identification number of the transmitter module.

What are the possible causes of the engine light being on due to the u026b fault code?

If the engine light is on due to the U026B fault code, it could be caused by a faulty left rear short range radar sensor module, an open or shorted harness, or a poor electrical connection in the module circuit. To fix the issue, it is recommended to visually inspect the wiring harness and connectors for any damage or corrosion, and check for broken or bent pins in the connectors.

How can the Left Rear Short Range Radar Sensor Module harness be checked for faults in case of the u026b fault code?

If you encounter the u026b fault code, indicated by the Engine Light ON or Service Engine Soon Warning Light, it may be due to a faulty Left Rear Short Range Radar Sensor Module or an open or shorted harness. To fix this issue, you should visually inspect the related wiring harness and connectors, checking for damaged components and broken, bent, pushed out, or corroded connector’s pins. This will help you identify the root cause of the problem and take the necessary steps to resolve it.

What steps should be taken to fix the u026b fault code related to the Left Rear Short Range Radar Sensor Module?

If you’re experiencing an engine light or service engine soon warning light with the u026b fault code related to the Left Rear Short Range Radar Sensor Module, there are a few steps you can take to fix it. First, check for a faulty sensor module, an open or shorted harness, or a poor electrical connection. Visually inspect the wiring harness and connectors for any damage or corrosion, and check for broken or bent pins.

u026b error fault code explained

If your engine light is on, it could be due to a faulty left rear short range radar sensor module, an open or shorted harness, or poor electrical connection. Check the wiring harness and connectors for damage, broken or corroded pins, and inspect the components.

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