AutoCodes – Generic – U1109

U1109 Code - Lost Communication With LIN Steering Wheel Controls

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Cluster does not receive information from the Steering Wheel Controls. Common causes include Faulty Steering Wheel Switch, Steering Wheel Switch harness is open or shorted, Steering Wheel Switch 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
U1109 indicates Lost Communication With LIN Steering Wheel Controls.
Common causes
Common causes include Faulty Steering Wheel Switch, Steering Wheel Switch harness is open or shorted, Steering Wheel Switch 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 19,541
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 22, 2020
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Code U1109 Description

The Diagnostic Trouble Code (DTC) sets when the Cluster does not receive information from the Steering Wheel Controls.
OBDII Code U1109 - Lost Communication With LIN Steering Wheel Controls - AutoCodes.com
U1109 Code - Lost Communication With LIN Steering Wheel Controls

What are the Possible Causes of the DTC U1109?

  • Faulty Steering Wheel Switch
  • Steering Wheel Switch harness is open or shorted
  • Steering Wheel Switch circuit poor electrical connection
  • Faulty Cluster
  • Faulty Clockspring

How to Fix the DTC U1109?

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 U1109 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 U1109 code?

Need more information on how to fix the U1109 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U1109 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

  • U1109 Chrysler β€” Lost Communication With LIN Steering Wheel Controls
  • U1109 Dodge β€” Lost Communication With LIN Steering Wheel Controls
  • U1109 Jeep β€” Lost Communication With LIN Steering Wheel Controls
  • U1109 RAM β€” Lost Communication With LIN Steering Wheel Controls
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 U1109 Code

1. What are the common symptoms of OBDII code U1109 - Lost Communication With LIN Steering Wheel Controls?

- Common symptoms include non-functional steering wheel controls, malfunctioning cruise control, and potential issues with other vehicle systems.

2. What are the possible causes of OBDII code U1109?

- Possible causes may include damaged wiring or connectors related to the steering wheel controls, a faulty steering wheel control module, or issues with the LIN bus communication network.

3. How can I diagnose the cause of OBDII code U1109?

- Diagnosis typically involves inspecting the wiring and connectors associated with the steering wheel controls, checking for loose connections, and using a diagnostic scanner to analyze the LIN bus communication network.

4. Is it safe to continue driving with OBDII code U1109 present?

- It is generally not recommended to continue driving with this code active, as it can affect the functionality of important vehicle systems controlled by the steering wheel controls.

5. Can OBDII code U1109 be repaired without professional assistance?

- While some basic checks like inspecting connections can be done by DIY enthusiasts, resolving this code often requires advanced diagnostic tools and expertise, so professional assistance may be necessary.

6. How much does it typically cost to repair OBDII code U1109?

- The cost of repair can vary depending on the underlying cause, but it may involve expenses for parts replacement, labor charges, and diagnostic fees, which could range from a few hundred to over a thousand dollars.

7. Are there any preventive measures to avoid OBDII code U1109 in the future?

- Regular maintenance checks, avoiding water damage to the steering wheel controls, and addressing any electrical issues promptly can help prevent the occurrence of this code in the future.

8. Can resetting the vehicle's computer clear OBDII code U1109?

- Resetting the computer may temporarily clear the code, but it is crucial to address the root cause of the communication loss with the steering wheel controls to prevent the code from reappearing.

9. How long does it typically take to repair OBDII code U1109?

- The repair time can vary based on the specific cause of the issue, the availability of parts, and the expertise of the technician, but it may take a few hours to a full day to complete the repair.

10. Will OBDII code U1109 cause my vehicle to fail an emissions test?

- Depending on the regulations in your area, a persistent issue with the LIN steering wheel controls communication may cause the vehicle to fail an emissions test due to its impact on the vehicle's overall performance and emissions control systems.

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