AutoCodes – RAM – U11CC RAM

U11CC RAM Code - Lost Right Rear Wheel Speed Message

Quick Answer

This diagnostic checks the availability of the right rear wheel speed signal which is sent by the Electronic Stability Program (ESP) via a Controller Area Network (CAN) message. Common causes include Faulty Powertrain Control Module (PCM), Faulty Anti-Lock Brake System (ABS) Module. 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: U11CC RAM indicates Lost Right Rear Wheel Speed Message.
Common causes: Common causes include Faulty Powertrain Control Module (PCM), Faulty Anti-Lock Brake System (ABS) Module.
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 527

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 May 03, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U11CC RAM Description

This diagnostic checks the availability of the right rear wheel speed signal which is sent by the Electronic Stability Program (ESP) via a Controller Area Network (CAN) message. The diagnostic checks the availability by checking the valid bit. The Diagnostic Trouble Code (DTC) sets when the read value does not match the written value in any RAM location.

OBDII Code U11CC RAM - Lost Right Rear Wheel Speed Message - AutoCodes.com — U11CC RAM Code - Lost Right Rear Wheel Speed Message

What does this mean?

What are the Possible Causes of the DTC U11CC RAM?

Faulty Powertrain Control Module (PCM)
Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC U11CC 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 U11CC 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 U11CC RAM Code

1. What are the common symptoms of OBDII code U11CC RAM (Lost Right Rear Wheel Speed Message)?

The common symptoms of U11CC RAM include ABS warning light illuminated on the dashboard, traction control system malfunction, and potential loss of traction control functionality.

2. What are the possible causes of OBDII code U11CC RAM?

Possible causes of U11CC RAM may include a faulty wheel speed sensor, damaged wiring or connectors in the right rear wheel speed sensor circuit, or issues with the ABS control module.

3. How can I diagnose the U11CC RAM error code?

Diagnosing U11CC RAM involves using a diagnostic scan tool to retrieve the code, checking the connections and wiring related to the right rear wheel speed sensor, and conducting a visual inspection of the sensor for any signs of damage.

4. Can I continue driving with the U11CC RAM code active?

It is not recommended to continue driving with the U11CC RAM code active, as it may affect the proper functioning of the vehicle's traction control system, potentially compromising safety.

5. How can I repair the U11CC RAM error code?

To repair U11CC RAM, you may need to replace the right rear wheel speed sensor if it is found to be faulty, repair any damaged wiring or connectors, and clear the code using a diagnostic scan tool.

6. Are there any DIY tips for addressing the U11CC RAM code?

While basic inspections and visual checks can be performed by DIY enthusiasts, diagnosing and repairing U11CC RAM may require specialized tools and expertise, making it advisable to consult a professional mechanic.

7. How much does it typically cost to fix the U11CC RAM error code?

The cost of fixing U11CC RAM can vary depending on the underlying cause, the need for parts replacement, and labor costs. It's best to consult a mechanic for a more accurate estimate.

8. What other codes may be related to the U11CC RAM error code?

Other related codes that may appear alongside U11CC RAM include codes related to wheel speed sensor malfunctions, ABS system failures, and traction control system issues.

9. Can extreme weather conditions trigger the U11CC RAM error code?

Extreme weather conditions, such as heavy rain or snow, can potentially affect the performance of wheel speed sensors and trigger the U11CC RAM code due to compromised sensor functionality.

10. Is it necessary to reset the system after repairing the U11CC RAM code?

After repairing U11CC RAM, it is important to clear the error code using a diagnostic scan tool to reset the system and ensure that the issue has been successfully resolved.