[SOLVED] Fix U0168 Code: Vehicle Security Control Module Communication Lost

The automobile fault code U0168 indicates a problem with the Vehicle Security Control Module (VSCM). 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 VSCM, an open or shorted VSCM harness, or a poor electrical connection in the VSCM circuit.

It is important to address this issue promptly as it can affect the vehicle’s security system.

The repair difficulty is moderate, and the repair time is estimated at 1.0 hour.

To fix the issue, one should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector pins. It is crucial to interpret the fault code correctly to ensure the proper repair is performed.

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 u0168 fault code. Here are the symptoms to look out for:

  • The U0168 fault code in an automobile can cause the following symptoms: – Engine Light ON (or Service Engine Soon Warning Light) – Malfunction Indicator Lamp (MIL) illumination – The vehicle may not start – The engine may stall or hesitate – The transmission may not shift properly – The speedometer may not work – The fuel gauge may not work – The ABS system may not function properly – The traction control system may not function properly – The vehicle may experience reduced power or acceleration.

The automobile fault code u0168 can be caused by a faulty module, open harness, or poor electrical connection.

  • The automobile fault code U0168 can be caused by a faulty Vehicle Security Control Module.
  • It can also be caused by an open or shorted Vehicle Security Control Module harness.
  • Additionally, a poor electrical connection in the Vehicle Security Control Module circuit can also trigger this fault code.

To fix the u0168 automobile fault code, check the possible causes and inspect related wiring harness, connectors, and components for damage.

  • To fix the automobile fault code u0168, 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 U0168 has an estimated repair time of 1.0 hour. The cost of fixing this code varies depending on the auto repair shop, with most charging between $75 and $150 per hour. These factors can influence the overall cost of diagnosis and fixing.

The U0168 code is a Controller Area Network (CAN) fault code. CAN is a vehicle bus standard designed to interconnect automotive devices without a host computer.

CAN bus uses two dedicated wires for communication, CAN high and CAN low. The U0168 code sets when a periodic message from the Vehicle Security Control Module has not been received.

This code indicates that there is a communication problem between the Vehicle Security Control Module and other devices on the CAN bus.

What are the possible causes of the engine light being on due to the u0168 fault code?

If the engine light is on due to the u0168 fault code, it could be caused by a faulty Vehicle Security Control 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. Additionally, check for broken, bent, or pushed out connector pins.

How can one visually inspect the wiring harness and connectors related to the Vehicle Security Control Module to fix the u0168 fault code?

If you’re experiencing the u0168 fault code, indicated by the Engine Light ON or Service Engine Soon Warning Light, it may be due to a faulty Vehicle Security Control Module or an open or shorted harness. To fix this issue, start by visually inspecting the wiring harness and connectors related to the module. Check for any damaged components and look for broken, bent, pushed out, or corroded connector pins. This will help you identify any poor electrical connections and get your vehicle back on track.

What are the consequences of ignoring the u0168 fault code and not fixing the faulty Vehicle Security Control Module?

Ignoring the u0168 fault code and not fixing the faulty Vehicle Security Control Module can lead to serious consequences. The engine light will remain on, indicating a problem with the vehicle’s security system. This can result in the vehicle not starting or shutting down while driving. It is important to check the possible causes, visually inspect the wiring harness and connectors, and look for damaged components to avoid any potential safety hazards.

u0168 error fault code explained

If your engine light is on, it could be due to a faulty Vehicle Security Control Module or poor electrical connection. Check the wiring harness and connectors for damage or corrosion. Look for broken, bent, or pushed out pins.

Inspect the components listed under “Possible Causes.

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