AutoCodes – Generic – U11CA

U11CA Code - Lost Right Front Wheel Speed Message

Quick Answer

This diagnostic checks the availability of the right front 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: U11CA indicates Lost Right Front 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 1,037

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 U11CA Description

This diagnostic checks the availability of the right front 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. When the signal is not available, the ESP sends a Signal Not Available (SNA) default value to the Transmission Control Module (TCM). If the TCM reads this value then the Diagnostic Trouble Code (DTC) U11CA is set.

OBDII Code U11CA - Lost Right Front Wheel Speed Message - AutoCodes.com — U11CA Code - Lost Right Front Wheel Speed Message

What does this mean?

What are the Possible Causes of the DTC U11CA?

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

How to Fix the DTC U11CA?

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 U11CA 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 U11CA code?

Need more information on how to fix the U11CA code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U11CA code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U11CA Chrysler — Lost Right Front Wheel Speed Message
U11CA Dodge — Lost Right Front Wheel Speed Message
U11CA Jeep — Lost Right Front Wheel Speed Message
U11CA RAM — Lost Right Front Wheel Speed Message

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 U11CA Code

1. What are the common symptoms of OBDII code U11CA (Lost Right Front Wheel Speed Message)?

- Common symptoms include the ABS warning light coming on, traction control issues, and potential loss of stability control.

2. What could cause the OBDII code U11CA to be triggered?

- This code is typically triggered by a communication error between the right front wheel speed sensor and the vehicle's control module.

3. How can I diagnose the cause of the Lost Right Front Wheel Speed Message code?

- Diagnosing this code usually involves checking the wiring and connections to the right front wheel speed sensor, as well as testing the sensor itself for proper function.

4. Can a damaged wheel speed sensor cause the U11CA code?

- Yes, a damaged or malfunctioning right front wheel speed sensor is a common cause of the U11CA code being triggered.

5. What repairs are typically needed to fix the U11CA code?

- Repairs may involve replacing the right front wheel speed sensor, repairing any damaged wiring or connections, or reprogramming the vehicle's control module.

6. Is it safe to drive with the U11CA code present?

- It is not recommended to drive with the U11CA code active, as it can affect the proper functioning of the vehicle's ABS and stability control systems.

7. Can a DIY enthusiast repair the U11CA code themselves?

- Depending on their skill level, DIY enthusiasts may be able to diagnose and replace the right front wheel speed sensor themselves, but professional diagnosis is recommended.

8. How much does it typically cost to repair the U11CA code?

- The cost of repairs for the U11CA code can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Will resetting the code make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the U11CA code is not fixed, it is likely to reappear.

10. How urgent is it to address the U11CA code?

- It is important to address the U11CA code promptly to ensure the proper functioning of the vehicle's safety systems and to prevent potential safety hazards on the road.