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Engine-Codes – RAM – U112D RAM

U112D RAM Code - Lost Communication With EVIC Steering Wheel Switches

Quick Answer

The U112D diagnostic trouble code (DTC) indicates that there is a communication problem between the Electronic Vehicle Information Center (EVIC) and the steering wheel switches in the vehicle. Common causes include Loose or damaged wiring or connectors in the communication system, Faulty EVIC or steering wheel switch module, Corrosion or water damage in the electronic components. 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
U112D RAM indicates Lost Communication With EVIC Steering Wheel Switches.
Common causes
Common causes include Loose or damaged wiring or connectors in the communication system, Faulty EVIC or steering wheel switch module, Corrosion or water damage in the electronic components.
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 14, 2024
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Code U112D RAM Description

The U112D diagnostic trouble code (DTC) indicates that there is a communication problem between the Electronic Vehicle Information Center (EVIC) and the steering wheel switches in the vehicle. The EVIC is a display system that provides the driver with important information such as vehicle status, warning messages, and system settings. The steering wheel switches allow the driver to interact with the EVIC without taking their hands off the wheel.

OBDII Code U112D RAM - Lost Communication With EVIC Steering Wheel Switches
U112D RAM Code - Lost Communication With EVIC Steering Wheel Switches

Common Causes of U112D RAM

  1. Loose or damaged wiring or connectors in the communication system
  2. Faulty EVIC or steering wheel switch module
  3. Corrosion or water damage in the electronic components
  4. Software glitches or programming errors
  5. Electrical interference from other vehicle systems

Symptoms of U112D RAM

  1. Inability to access information on the EVIC display
  2. Loss of control over vehicle settings through steering wheel switches
  3. Warning lights related to the EVIC or steering wheel switches
  4. Intermittent functionality of the EVIC or steering wheel switches

How to Fix U112D RAM

  1. Perform a diagnostic scan to retrieve the specific trouble codes and pinpoint the source of the communication problem.
  2. Inspect the wiring, connectors, and components in the communication system for any signs of damage or corrosion.
  3. Test the EVIC and steering wheel switch modules for proper functionality and replace if necessary.
  4. Clear the DTCs from the vehicle's computer system and reset the communication between the EVIC and steering wheel switches.
  5. Conduct a road test to ensure that the communication issue has been resolved and that all systems are functioning correctly.

Cost to Fix U112D RAM

The typical repair costs for addressing the U112D DTC can vary depending on the specific cause of the communication problem and the extent of the repairs needed. In general, the cost of parts for replacing a faulty EVIC or steering wheel switch module can range from $200 to $500, while the cost of labor for diagnosis and repair can range from $100 to $300. Overall, the total repair costs for this issue may fall within the range of $300 to $800. It's important to note that these estimates are approximate and can vary based on factors such as the vehicle make and model, the location of the repair shop, and the rates charged by the technician. It's recommended to consult with a qualified mechanic or auto repair shop to obtain a more accurate cost estimate for addressing the U112D DTC.

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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 U112D RAM Code

1. What are the common symptoms of OBDII code U112D RAM (Lost Communication With EVIC Steering Wheel Switches)?

- Common symptoms include non-functional steering wheel controls, illuminated warning lights on the dashboard, and issues with the Electronic Vehicle Information Center (EVIC) display.

2. What are the potential causes of OBDII code U112D RAM?

- The code U112D RAM is commonly triggered by damaged wiring, loose connections, a faulty steering wheel control module, or a malfunctioning EVIC system.

3. How can I diagnose the issue related to code U112D RAM?

- Diagnosis typically involves checking the wiring and connections related to the steering wheel switches and EVIC system, as well as using a diagnostic scanner to retrieve the specific trouble codes.

4. Are there any DIY repair tips for resolving code U112D RAM?

- DIY repair tips include checking and securing all wiring connections, ensuring the steering wheel control module is properly connected, and performing a system reset by disconnecting the battery for a few minutes.

5. Can code U112D RAM cause any other problems in the vehicle?

- While the main issue related to this code is the loss of communication with the steering wheel switches and EVIC system, it can potentially affect the functionality of other electronic components in the vehicle.

6. Is it safe to continue driving with OBDII code U112D RAM present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid any inconvenience related to the non-functional steering wheel controls.

7. How much does it typically cost to repair OBDII code U112D RAM?

- The cost of repair can vary depending on the underlying cause of the issue. Simple fixes like reconnecting loose wiring may be inexpensive, while replacing a faulty control module or EVIC system can be more costly.

8. Can code U112D RAM be cleared/reset without fixing the underlying issue?

- While you can clear the code temporarily, it is likely to reappear until the root cause of the communication loss with the steering wheel switches and EVIC system is addressed.

9. Will disconnecting the battery reset code U112D RAM?

- Disconnecting the battery can sometimes reset the code temporarily, but it is important to diagnose and fix the underlying issue to prevent the code from reoccurring.

10. How long does it typically take to repair OBDII code U112D RAM?

- The repair time can vary depending on the complexity of the issue. Simple fixes may take a short amount of time, while more involved repairs might require additional diagnostic testing and labor.

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