AutoCodes – Ford – U2108 Ford

U2108 Ford Code - Lost Communication With Adaptive Cruise Control Module

Quick Answer

The Diagnostic Trouble Code (DTC) sets an-demand and in continuous memory in the Instrument Panel Cluster (IPC) if data messages received from the Cruise Control Module (CCM) through the Body Control Module (BCM) are missing for longer than 2 seconds. Common causes include Faulty Cruise Control Module (CCM), Cruise Control Module harness is open or shorted, Cruise Control Module circuit poor electrical connection. 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: U2108 Ford indicates Lost Communication With Adaptive Cruise Control Module.
Common causes: Common causes include Faulty Cruise Control Module (CCM), Cruise Control Module harness is open or shorted, Cruise Control Module circuit poor electrical connection.
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.

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Code Popularity 4,977

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U2108 Ford Description

OBDII Code U2108 Ford - Lost Communication With Adaptive Cruise Control Module - AutoCodes.com — U2108 Ford Code - Lost Communication With Adaptive Cruise Control Module

What does this mean?

What are the Possible Causes of the DTC U2108 Ford?

Faulty Cruise Control Module (CCM)
Cruise Control Module harness is open or shorted
Cruise Control Module circuit poor electrical connection
Faulty Instrument Panel Cluster (IPC)

How to Fix the DTC U2108 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U2108 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the U2108 Ford code?

Need more information on how to fix the U2108 Ford code? Get Access to Factory Service Manuals

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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 U2108 Ford Code

1. What does the OBDII code U2108 Ford mean?

The code U2108 Ford indicates a communication problem between the vehicle's onboard computer system and the Adaptive Cruise Control module.

2. What are the common symptoms of the U2108 code?

Common symptoms of U2108 may include a disabled Adaptive Cruise Control system, warning lights on the dashboard, and potential issues with other vehicle systems.

3. What are some possible causes of the U2108 code?

Possible causes of the U2108 code include faulty wiring or connections, a defective Adaptive Cruise Control module, software glitches, or issues with the vehicle's main computer system.

4. How can I diagnose the U2108 trouble code?

Diagnosing the U2108 code typically involves using a professional OBDII scanner to read the code, checking for any additional related codes, inspecting the wiring and connections, and testing the Adaptive Cruise Control module.

5. Can I still drive my vehicle with the U2108 code present?

While it may be possible to drive the vehicle with the U2108 code, it is not recommended as it may affect the performance of the Adaptive Cruise Control system and potentially other vehicle functions.

6. How can I repair the U2108 code?

Repairing the U2108 code often involves fixing any wiring or connection issues, replacing the Adaptive Cruise Control module if necessary, and clearing the code with a diagnostic tool.

7. Is it safe to continue using the Adaptive Cruise Control system after fixing the U2108 code?

Once the U2108 code is resolved, it is generally safe to use the Adaptive Cruise Control system again. However, it's important to test the system carefully to ensure proper functionality.

8. Can the U2108 code be triggered by a dead battery?

Yes, a dead or disconnected battery can sometimes trigger the U2108 code due to a loss of communication between the vehicle's systems. Reconnecting or replacing the battery may resolve the issue.

9. How much does it typically cost to repair the U2108 code?

The cost of repairing the U2108 code can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of any necessary parts. It's recommended to get a few quotes from different mechanics.

10. Will the U2108 code reset itself after repairs are made?

After the U2108 code is repaired, it may not reset itself immediately. A mechanic or auto technician may need to use a diagnostic tool to clear the code and reset the system for the warning lights to turn off.