[SOLVED] Fixing U18B7: Communication Loss With Safety Control Module 2

The U18B7 fault code in automobiles indicates a problem with the Active Safety Control Module 2.

The most common symptom is the illumination of the Engine Light or Service Engine Soon Warning Light.

The cause of this fault code could be a faulty Active Safety Control Module 2, an open or shorted harness, or a poor electrical connection. It is important to address this issue promptly as it can affect the vehicle’s safety features.

The repair process involves visually inspecting the wiring harness and connectors for any damage or corrosion. The repair time for this fault code is estimated to be around 1.0 hour.

To interpret the fault code, one needs to check the possible causes listed above and inspect the related components.

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 u18b7 fault code. Here are the symptoms to look out for:

  • The automobile fault code U18B7 has the following symptoms: Engine Light ON, Service Engine Soon Warning Light ON.

The automobile fault code u18b7 can be caused by a faulty module, open or shorted harness, or poor electrical connection.

  • The automobile fault code U18B7 can be caused by a faulty Active Safety Control Module 2.
  • It can also be caused by an open or shorted harness of the Active Safety Control Module 2.
  • Additionally, a poor electrical connection in the circuit of the Active Safety Control Module 2 can also trigger this fault code.

Below are the possible fixes for the automobile fault code u18b7, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code u18b7, 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 fault code U18B7 is a common issue in automobiles. The estimated repair time for this fault code is 1.0 hour.

The cost of fixing this fault code is dependent on the repair time. Most auto repair shops charge between $75 and $150 per hour. Therefore, the cost of fixing the U18B7 fault code can range from $75 to $150.

The cost may also vary depending on the severity of the issue and the type of vehicle.

The U18B7 fault code indicates a loss of communication with the Active Safety Control Module 2 on the Chassis Expansion CAN Bus. Devices on the serial data circuits monitor communication during normal vehicle operation.

The Diagnostic Trouble Code (DTC) is set when a supervised periodic message is not received, indicating a loss of communication with the Active Safety Control Module 2.

This fault code requires further diagnosis and repair to restore proper communication and ensure the safety features of the vehicle are functioning correctly.

What are the possible causes of the u18b7 automobile fault code?

If you see the engine light on or the service engine soon warning light, it could be due to the u18b7 fault code. This code is caused by a faulty Active Safety Control Module 2, an open or shorted harness, or a poor electrical connection in the 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 I visually inspect the related wiring harness and connectors to fix the u18b7 fault code?

If you’re experiencing the u18b7 fault code, which is indicated by the Engine Light ON or Service Engine Soon Warning Light, you may need to visually inspect the related wiring harness and connectors to fix the issue. This fault code is caused by a faulty Active Safety Control Module 2, an open or shorted harness, or a poor electrical connection. To fix the issue, check the possible causes listed above and visually inspect the wiring harness and connectors for any damage or corrosion. Look for broken, bent, pushed out, or corroded connector’s pins.

What are the consequences of ignoring the u18b7 fault code and not fixing the faulty Active Safety Control Module 2?

Ignoring the u18b7 fault code and not fixing the faulty Active Safety Control Module 2 can lead to serious consequences. The engine light will remain on, indicating a problem with the vehicle’s safety system. This can result in the vehicle failing to meet safety standards and potentially causing accidents. It is important to check the possible causes, visually inspect the wiring harness and connectors, and look for damaged components to fix the issue.

u18b7 error fault code explained

If your engine light is on, it could be due to a faulty Active Safety Control Module 2 or related wiring issues.

To fix it, visually inspect the wiring harness and connectors for damage or corrosion.

Check for broken or bent pins.

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