AutoCodes – Jeep – U11E3 Jeep

U11E3 Jeep Code - TCM Lost Communication With ESM On DPT CAN

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 Electronic Shift Module (ESM), Electronic Shift Module (ESM) harness is open or shorted, Electronic Shift Module (ESM) 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: U11E3 Jeep indicates TCM Lost Communication With ESM On DPT CAN.
Common causes: Common causes include Faulty Electronic Shift Module (ESM), Electronic Shift Module (ESM) harness is open or shorted, Electronic Shift Module (ESM) 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 4,635

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code U11E3 Jeep 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 Controller Area Network - Dedicated Powertrain (CAN-DPT) bus messages not received from the Electronic Shift Module (ESM) for two to five seconds.

OBDII Code U11E3 Jeep - TCM Lost Communication With ESM On DPT CAN - AutoCodes.com — U11E3 Jeep Code - TCM Lost Communication With ESM On DPT CAN

What does this mean?

What are the Possible Causes of the DTC U11E3 Jeep?

Faulty Electronic Shift Module (ESM)
Electronic Shift Module (ESM) harness is open or shorted
Electronic Shift Module (ESM) circuit poor electrical connection
Controller Area Network
Dedicated Powertrain (CAN-DPT) Bus open or shorted

How to Fix the DTC U11E3 Jeep?

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 U11E3 Jeep 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 U11E3 Jeep code?

Need more information on how to fix the U11E3 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U11E3 Jeep code diagnosed by a professional: Find a repair shop in your area

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 U11E3 Jeep Code

1. What does the OBDII code U11E3 for Jeep mean?

The code U11E3 indicates that the Transmission Control Module (TCM) has lost communication with the Electronic Shift Module (ESM) on the Data Port CAN bus.

2. What are the common symptoms of the U11E3 code in a Jeep?

Common symptoms include issues with shifting gears, transmission not responding correctly, warning lights on the dashboard, and possible limp mode activation.

3. What are the possible causes of the TCM losing communication with the ESM in a Jeep?

Possible causes include damaged wiring or connectors, a faulty TCM or ESM, software issues, low battery voltage, or a CAN bus communication problem.

4. How do you diagnose the U11E3 code in a Jeep?

Diagnosis involves using a professional OBDII scanner to read the code, checking for other related codes, inspecting wiring and connectors, testing the TCM and ESM, and verifying the CAN bus communication.

5. Can I still drive my Jeep with the U11E3 fault code?

It is not recommended to drive the vehicle with the U11E3 code present, as it can lead to transmission issues and potentially cause further damage.

6. How can the U11E3 code be repaired in a Jeep?

Repair options include fixing any wiring or connector issues, replacing a faulty TCM or ESM, updating software as needed, ensuring proper battery voltage, and addressing any CAN bus communication problems.

7. Is it possible to reset the U11E3 code in a Jeep without fixing the underlying issue?

While clearing the code may temporarily remove the warning light, the underlying issue causing the code will persist until properly diagnosed and repaired.

8. Can a DIY enthusiast fix the U11E3 code in a Jeep?

Depending on the skill level and access to tools, some DIY enthusiasts may be able to address simple causes like loose connections or damaged wiring. However, complex issues may require professional diagnosis and repair.

9. How much does it typically cost to repair the U11E3 code in a Jeep?

The cost of repair can vary significantly based on the specific cause of the issue, parts needed, labor costs, and whether the repair is done at a dealership or an independent mechanic.

10. How can I prevent the U11E3 code from reoccurring in my Jeep?

Regular maintenance, checking for loose connections, keeping the battery in good condition, and addressing any transmission issues promptly can help prevent the U11E3 code from reoccurring.