AutoCodes – Fiat – U11E9 Fiat

U11E9 Fiat 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 Fiat 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 1,816

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 Fiat Description

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

What does this mean?

What are the Possible Causes of the DTC U11E9 Fiat?

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 Fiat?

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 Fiat 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 U11E9 Fiat code?

Need more information on how to fix the U11E9 Fiat code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U11E9 Fiat 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 U11E9 Fiat Code

1. What are the common symptoms of OBDII code U11E9 in a Fiat related to the active grill shutter?

- Common symptoms include the active grill shutter staying in one position, poor engine performance, and potential fuel efficiency issues.

2. What could cause the OBDII code U11E9 "Lost Communication With Active Grill Shutter" in a Fiat?

- Potential causes include damaged wiring, a faulty active grill shutter actuator, or a problem with the control module.

3. How can I diagnose the OBDII code U11E9 in my Fiat?

- Diagnosis typically involves using a professional OBDII scanner to retrieve the code, checking the active grill shutter components for damage, and inspecting the wiring for any issues.

4. Is it safe to continue driving my Fiat with the U11E9 code related to the active grill shutter?

- It is generally not recommended to drive your Fiat with this code present, as it can lead to engine performance issues and potentially affect fuel efficiency.

5. Can I repair the OBDII code U11E9 in my Fiat at home?

- Depending on the cause, you may be able to address the issue at home by checking the wiring connections, replacing a faulty actuator, or resetting the control module. However, complex issues may require professional assistance.

6. How much does it typically cost to repair the U11E9 code in a Fiat?

- The cost of repair can vary depending on the specific cause of the code and whether you choose to fix the issue yourself or seek help from a mechanic. Costs may range from a few hundred to over a thousand dollars.

7. Will resetting the OBDII code U11E9 in my Fiat make the issue go away permanently?

- Simply clearing the code without addressing the underlying cause will not permanently fix the issue. It is important to diagnose and repair the root problem to prevent the code from recurring.

8. Can extreme weather conditions affect the active grill shutter and trigger the U11E9 code in a Fiat?

- Yes, extreme temperatures or harsh weather conditions can potentially impact the functionality of the active grill shutter system, leading to communication errors and triggering the U11E9 code.

9. Are there any preventive maintenance steps I can take to avoid the U11E9 code in my Fiat?

- Regularly inspecting the active grill shutter components, ensuring proper wiring connections, and keeping the system clean can help prevent issues that may trigger the U11E9 code.

10. How long does it typically take to repair the U11E9 code related to the active grill shutter in a Fiat?

- The repair time can vary based on the specific cause of the code and the complexity of the repair. Simple fixes may take a few hours, while more involved repairs could require a day or more at a mechanic's shop.