AutoCodes – Chrysler – U11E9 Chrysler

U11E9 Chrysler Code - Lost Communication With Active Grill Shutter

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module (PCM) does not receive a valid Local Interconnect Network (LIN) BUS message from the Active Grill Shutter (AGS) Assembly for 2.6 seconds. Common causes include Faulty Active Grill Shutter (AGS) Assembly, Active Grill Shutter Assembly harness is open or shorted, Active Grill Shutter Assembly 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: U11E9 Chrysler indicates Lost Communication With Active Grill Shutter.
Common causes: Common causes include Faulty Active Grill Shutter (AGS) Assembly, Active Grill Shutter Assembly harness is open or shorted, Active Grill Shutter Assembly 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.

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Code Popularity 21,917

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 U11E9 Chrysler Description

OBDII Code U11E9 Chrysler - Lost Communication With Active Grill Shutter - AutoCodes.com — U11E9 Chrysler Code - Lost Communication With Active Grill Shutter

What does this mean?

What are the Possible Causes of the DTC U11E9 Chrysler?

Faulty Active Grill Shutter (AGS) Assembly
Active Grill Shutter Assembly harness is open or shorted
Active Grill Shutter Assembly circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC U11E9 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 U11E9 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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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 U11E9 Chrysler Code

1. What are the common symptoms of OBDII code U11E9 Chrysler (Lost Communication With Active Grill Shutter)?

- Common symptoms include the active grill shutters remaining in one position, poor fuel efficiency, and potential engine overheating.

2. What are the possible causes of OBDII code U11E9 Chrysler?

- The code U11E9 can be caused by issues such as a faulty active grill shutter actuator, damaged wiring or connectors, or a malfunctioning powertrain control module (PCM).

3. How can I diagnose the problem associated with code U11E9 Chrysler?

- To diagnose the issue, you can perform a visual inspection of the active grill shutter components, test the wiring and connectors for continuity, and use a diagnostic scan tool to communicate with the PCM.

4. Can I drive my vehicle with the U11E9 code present?

- It is not recommended to drive with the U11E9 code active, as it can lead to decreased fuel efficiency and potential engine overheating due to the active grill shutters not functioning properly.

5. How can I repair OBDII code U11E9 Chrysler?

- Repairing the U11E9 code typically involves replacing a faulty active grill shutter actuator, repairing damaged wiring or connectors, or reprogramming the PCM to communicate properly with the active grill shutter system.

6. Will resetting the fault codes make the U11E9 code go away?

- Resetting the fault codes may temporarily clear the U11E9 code, but it will likely return if the underlying issue with the active grill shutter system is not resolved.

7. Can a DIY enthusiast fix the U11E9 code issue?

- Depending on your automotive repair skills and knowledge, you may be able to address the U11E9 code by replacing the active grill shutter actuator or repairing wiring issues. However, some repairs may require professional help.

8. How important is it to address the U11E9 code promptly?

- It is important to address the U11E9 code promptly to ensure the proper functioning of the active grill shutter system, which can impact fuel efficiency and engine cooling performance.

9. Are there any preventive measures to avoid code U11E9 Chrysler in the future?

- Performing regular maintenance checks on the active grill shutter system, ensuring proper wiring connections, and keeping the system clean can help prevent the occurrence of the U11E9 code.

10. How much does it typically cost to fix the U11E9 code issue?

- The cost of repairing the U11E9 code can vary depending on the specific cause of the issue, but it may involve parts and labor costs ranging from $100 to $500 or more, depending on the complexity of the repair.