AutoCodes – Generic – U11CF

U11CF Code - Lost Vehicle Longitudinal Acceleration Message

Quick Answer

This diagnostic checks the availability of the vehicle longitudinal acceleration signal which is sent by the Electronic Stability Program (ESP) via a CAN message. Common causes include Faulty Occupant Restraint Controller Module (ORC), 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: U11CF indicates Lost Vehicle Longitudinal Acceleration Message.
Common causes: Common causes include Faulty Occupant Restraint Controller Module (ORC), 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 2,343

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 U11CF Description

This diagnostic checks the availability of the vehicle longitudinal acceleration signal which is sent by the Electronic Stability Program (ESP) via a CAN message. The diagnostic checks the availability by checking the received value is not equal to the Signal Not Available (SNA) default value. The Diagnostic Trouble Code (DTC) sets when the read value does not match the written value in any RAM location.

OBDII Code U11CF - Lost Vehicle Longitudinal Acceleration Message - AutoCodes.com — U11CF Code - Lost Vehicle Longitudinal Acceleration Message

What does this mean?

What are the Possible Causes of the DTC U11CF?

Faulty Occupant Restraint Controller Module (ORC)
Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC U11CF?

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 U11CF 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 U11CF code?

Need more information on how to fix the U11CF code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U11CF code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U11CF Chrysler — Lost Vehicle Longitudinal Acceleration Message
U11CF Dodge — Lost Vehicle Longitudinal Acceleration Message
U11CF Jeep — Lost Vehicle Longitudinal Acceleration Message
U11CF RAM — Lost Vehicle Longitudinal Acceleration 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 U11CF Code

1. What are the common symptoms of OBDII code U11CF (Lost Vehicle Longitudinal Acceleration Message)?

- Common symptoms include the check engine light coming on, reduced engine performance, and potential issues with the vehicle's traction control system.

2. What could cause the OBDII code U11CF to trigger?

- This code may be triggered by a faulty longitudinal acceleration sensor, wiring issues, or a problem with the vehicle's electronic control module (ECM).

3. How serious is the U11CF code?

- While the U11CF code may not directly affect the drivability of the vehicle, it is important to address it promptly to prevent potential safety issues related to traction control and stability.

4. Can I continue driving my vehicle with the U11CF code present?

- It is recommended to avoid driving the vehicle with the U11CF code present to prevent any potential safety hazards related to traction control system malfunctions.

5. How can I diagnose and repair the U11CF code?

- Diagnosing and repairing the U11CF code typically involves checking the longitudinal acceleration sensor, inspecting the wiring for any damage, and consulting a professional if needed for further diagnosis and repair.

6. Will resetting the error codes make the U11CF code disappear?

- Resetting the error codes may temporarily clear the U11CF code, but it is important to address the underlying issue causing the code to prevent it from reoccurring.

7. Is the U11CF code specific to a certain make or model of vehicle?

- The U11CF code is a standardized OBDII code, meaning it can appear in various makes and models of vehicles equipped with OBDII systems.

8. Can a DIY enthusiast fix the U11CF code at home?

- Depending on the underlying cause of the U11CF code, a DIY enthusiast with proper tools and knowledge of automotive systems may be able to diagnose and repair the issue at home.

9. How much does it typically cost to repair the U11CF code?

- The cost of repairing the U11CF code can vary depending on the cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It is recommended to obtain quotes from local mechanics or repair shops.

10. Are there any known recalls or technical service bulletins related to the U11CF code?

- It is advisable to check with the vehicle manufacturer or authorized dealerships for any recalls or technical service bulletins related to the U11CF code to see if the issue may be covered under warranty or a special service campaign.