[SOLVED] U1166 Code: Fixing Lost Communication With Driver Seat Module

The automobile fault code U1166 indicates a problem with the driver seat module, which can cause the engine light to turn on. The possible causes of this fault code include a faulty driver seat module, an open or shorted harness, or a poor electrical connection in the module circuit. To fix this issue, one should 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. It is important to address this issue promptly to avoid any further damage to the vehicle.

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 u1166 fault code. Here are the symptoms to look out for:

  • The fault code U1166 in an automobile can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include issues with the vehicle’s speedometer, problems with the ABS system, and difficulty shifting gears.
  • Additionally, the vehicle may experience a loss of power or acceleration, and the transmission may go into limp mode.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle.

The automobile fault code u1166 can be caused by a faulty driver seat module, open or shorted harness, or poor electrical connection.

  • The automobile fault code u1166 can be caused by a faulty Driver Seat Module.
  • It can also be caused by an open or shorted Driver Seat Module harness.
  • Additionally, a poor electrical connection in the Driver Seat Module circuit can also trigger this fault code.

Below are some possible fixes for the automobile fault code u1166, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u1166, 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 U1166 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 diagnosing and fixing the U1166 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 U1166 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) U1166 is set. This code indicates that there is a lost communication with the driver seat module.

What are the possible causes of the u1166 automobile fault code?

If your engine light is on and you’re seeing the u1166 fault code, it could be due to a faulty driver seat module, an open or shorted harness, or poor electrical connection in the module 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.

How can the faulty Driver Seat Module be fixed in case of the u1166 fault code?

If you’re experiencing the u1166 fault code, which is caused by a faulty Driver Seat Module, there are a few steps you can take to fix it. First, check the possible causes listed above, including inspecting the wiring harness and connectors for any damage or corrosion. Look for broken, bent, or pushed out connector pins. By visually inspecting these components, you can identify any issues and take the necessary steps to fix them.

What steps should be taken to visually inspect the related wiring harness and connectors in case of the u1166 fault code?

If you encounter the u1166 fault code, which causes the engine light to turn on, you should check the Driver Seat Module and its related wiring harness and connectors. To fix the issue, visually inspect the wiring harness and connectors for any damage or poor electrical connections. Look for broken, bent, pushed out, or corroded connector pins. This will help you identify the problem and take the necessary steps to resolve it.

u1166 error fault code explained

If your engine light is on, it could be due to a faulty driver seat module, an open or shorted harness, or poor electrical connection.

Check the wiring harness and connectors for damage or corrosion.

Look for broken, bent, or pushed out pins.

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