AutoCodes – Chrysler – U11E4 Chrysler

U11E4 Chrysler Code - CAN Communication Message Missing

Quick Answer

The purpose of the diagnostic is to monitor the Controller Area Network (CAN) BUS, the transmitted messages on the CAN BUS and the validity of the CAN signals. Common causes include Faulty Body Control Module (BCM), Faulty Powertrain Control Module (PCM), Faulty Transmission Control Module (TCM). 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: U11E4 Chrysler indicates CAN Communication Message Missing.
Common causes: Common causes include Faulty Body Control Module (BCM), Faulty Powertrain Control Module (PCM), Faulty Transmission Control Module (TCM).
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 1,276

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 U11E4 Chrysler Description

The purpose of the diagnostic is to monitor the Controller Area Network (CAN) BUS, the transmitted messages on the CAN BUS and the validity of the CAN signals. Several control units are connected to the CAN bus which send their messages cyclically in a defined time window. The messages contain multiple signals representing vehicle information. The Diagnostic Trouble Code (DTC) sets when the received Data Length Code (DLC) is smaller than the specified length of the message or the content of the message was changed during Transmission.

OBDII Code U11E4 Chrysler - CAN Communication Message Missing - AutoCodes.com — U11E4 Chrysler Code - CAN Communication Message Missing

What does this mean?

What are the Possible Causes of the DTC U11E4 Chrysler?

Faulty Body Control Module (BCM)
Faulty Powertrain Control Module (PCM)
Faulty Transmission Control Module (TCM)

How to Fix the DTC U11E4 Chrysler?

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 U11E4 Chrysler 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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Need more information on how to fix the U11E4 Chrysler code? Get Access to Factory Service Manuals

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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 U11E4 Chrysler Code

1. What does the OBDII code U11E4 Chrysler indicate?

The U11E4 code indicates a CAN communication message missing error in Chrysler vehicles.

2. What are the common symptoms of the U11E4 code?

Common symptoms include the check engine light illuminating, communication issues with various vehicle systems, and potential drivability issues.

3. What are the possible causes of the U11E4 code?

Possible causes of the U11E4 code include faulty wiring or connections in the CAN bus system, a defective CAN bus module, or software issues within the vehicle's control modules.

4. How can I diagnose the U11E4 code?

Diagnosis typically involves using a professional OBDII scanner to retrieve the code, checking for any other related codes, inspecting the CAN bus wiring and connections, and testing the CAN bus modules for proper operation.

5. Can I continue driving with the U11E4 code present?

It is not recommended to continue driving with the U11E4 code present, as it may lead to further communication issues and potential safety hazards.

6. How can I repair the U11E4 code?

Repairing the U11E4 code may involve repairing or replacing damaged wiring, ensuring proper connections in the CAN bus system, replacing faulty CAN bus modules, or updating software in the control modules.

7. Is the U11E4 code specific to certain Chrysler models?

The U11E4 code is often found in Chrysler vehicles equipped with a CAN bus system, such as certain Dodge, Jeep, and Ram models.

8. Can a DIY enthusiast fix the U11E4 code?

While some basic troubleshooting steps can be taken by a DIY enthusiast, diagnosing and repairing the U11E4 code may require professional equipment and expertise.

9. How much does it cost to repair the U11E4 code at a dealership?

The cost of repairing the U11E4 code at a dealership can vary depending on the specific diagnosis, parts needed, and labor rates, but it is recommended to obtain a quote from the service department.

10. Will resetting the U11E4 code make it go away permanently?

Resetting the code may temporarily clear the check engine light, but if the underlying issue causing the U11E4 code is not addressed, it is likely to reappear.