AutoCodes – RAM – U112D RAM

U112D RAM Code - Lost Communication With EVIC Steering Wheel Switches

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Body Control Module (BCM) does not receive Local Interconnect Network (LIN) Bus messages from the Steering Column Control Module (SCCM) for greater than three seconds. Common causes include Faulty Steering Column Control Module (SCCM), Steering Column Control Module harness is open or shorted, Steering Column 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: U112D RAM indicates Lost Communication With EVIC Steering Wheel Switches.
Common causes: Common causes include Faulty Steering Column Control Module (SCCM), Steering Column Control Module harness is open or shorted, Steering Column 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 619

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 Apr 22, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U112D RAM Description

OBDII Code U112D RAM - Lost Communication With EVIC Steering Wheel Switches - AutoCodes.com — U112D RAM Code - Lost Communication With EVIC Steering Wheel Switches

What does this mean?

What are the Possible Causes of the DTC U112D RAM?

Faulty Steering Column Control Module (SCCM)
Steering Column Control Module harness is open or shorted
Steering Column Control Module circuit poor electrical connection

How to Fix the DTC U112D RAM?

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 U112D RAM 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.

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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.