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U0168 Chrysler Code - Lost Communication With Vehicle Security Control Module

Quick Answer

The U0168 Chrysler code indicates that there is a communication problem between the vehicle's onboard computer system and the Vehicle Security Control Module (VSCM). Common causes include Wiring issues or shorts in the communication circuit, Faulty Vehicle Security Control Module (VSCM), Malfunctioning onboard computer system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
U0168 Chrysler indicates Lost Communication With Vehicle Security Control Module.
Common causes
Common causes include Wiring issues or shorts in the communication circuit, Faulty Vehicle Security Control Module (VSCM), Malfunctioning onboard computer system.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code U0168 Chrysler Description

The U0168 Chrysler code indicates that there is a communication problem between the vehicle's onboard computer system and the Vehicle Security Control Module (VSCM). The VSCM is responsible for managing the security features of the vehicle, such as the alarm system, immobilizer, and keyless entry. When communication is lost with this module, it can lead to issues with the proper functioning of these security systems.

OBDII Code U0168 Chrysler - Lost Communication With Vehicle Security Control Module
U0168 Chrysler Code - Lost Communication With Vehicle Security Control Module

Common Causes of U0168 Chrysler

  1. Wiring issues or shorts in the communication circuit
  2. Faulty Vehicle Security Control Module (VSCM)
  3. Malfunctioning onboard computer system
  4. Poor connection between the VSCM and the onboard computer
  5. Electrical interference or corrosion in the communication system

Symptoms of U0168 Chrysler

  1. Vehicle not starting
  2. Alarm system not functioning properly
  3. Keyless entry system not working
  4. Security warning lights illuminated on the dashboard

How to Fix U0168 Chrysler

  1. Perform a thorough inspection of the wiring and communication circuit to check for any damage or shorts.
  2. Test the Vehicle Security Control Module (VSCM) for proper functioning or replace it if necessary.
  3. Check the onboard computer system for any faults or errors and address them accordingly.
  4. Ensure a secure and proper connection between the VSCM and the onboard computer.
  5. Clear the diagnostic trouble codes and test the vehicle to verify that the communication issue has been resolved.

Cost to Fix U0168 Chrysler

The typical repair costs for addressing the U0168 Chrysler code can vary depending on the specific cause of the communication loss. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it is essential to note that the actual cost may vary based on factors such as the location of the repair, the make and model of the vehicle, and the extent of the repairs needed. It is advisable to consult with a qualified mechanic or auto repair shop to get an accurate estimate for resolving this issue. Additionally, labor rates at auto repair shops can range from $80 to $150 per hour, with rates potentially higher in metropolitan areas or at dealerships.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about U0168 Chrysler Code

1. What are common symptoms of OBDII code U0168 in a Chrysler vehicle?

The common symptoms include issues with starting the vehicle, security system malfunctions, and warning lights such as the security light or the check engine light being illuminated.

2. What can cause the OBDII code U0168 (Lost Communication With Vehicle Security Control Module) in a Chrysler?

Possible causes can include a faulty vehicle security control module, wiring issues, loose connections, or a communication network malfunction within the vehicle.

3. How can I diagnose the cause of the U0168 code in my Chrysler?

Diagnosing the U0168 code typically involves checking the connections to the vehicle security control module, inspecting the wiring for any damage, and using a diagnostic scanner to communicate with the module for further testing.

4. Can I still drive my Chrysler with the U0168 code present?

It is not recommended to drive the vehicle with the U0168 code active, as it can affect the proper functioning of the security system and potentially lead to other issues. It is best to address the problem promptly.

5. Is it possible to reset the U0168 code in a Chrysler without fixing the underlying issue?

Resetting the code without addressing the root cause will likely result in the code reappearing once the issue resurfaces. It is essential to diagnose and fix the problem to prevent further issues.

6. How much does it typically cost to repair the U0168 code in a Chrysler?

The cost of repairs for the U0168 code can vary depending on the exact cause of the issue. It is recommended to consult a qualified mechanic for an accurate assessment and cost estimate.

7. Can a DIY enthusiast fix the U0168 code issue in a Chrysler?

While some basic troubleshooting steps can be performed by DIY enthusiasts, diagnosing and repairing the U0168 code may require specialized tools and expertise. It is advisable to seek professional help for this particular issue.

8. Will the U0168 code cause my Chrysler to fail an emissions test?

The U0168 code itself may not directly cause a failure on an emissions test, but it indicates a problem with the vehicle's security control module that should be addressed to ensure the vehicle is running optimally.

9. How long does it typically take to repair the U0168 code in a Chrysler?

The repair time for the U0168 code can vary depending on the complexity of the issue and the availability of parts. Simple fixes may take a few hours, while more intricate problems could require more time.

10. Can the U0168 code in a Chrysler lead to other related issues if left unfixed?

Yes, leaving the U0168 code unresolved can potentially lead to other electrical and security system malfunctions in the vehicle. It is crucial to address the problem promptly to prevent further complications.

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