AutoCodes – RAM – U11E9 RAM

U11E9 RAM 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 RAM 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 22,592

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 RAM Description

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

What does this mean?

What are the Possible Causes of the DTC U11E9 RAM?

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 RAM?

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 RAM 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 RAM Code

1. What are the common symptoms of OBDII code U11E9 related to Lost Communication With Active Grill Shutter?

- Common symptoms include the active grill shutters staying in one position, decreased fuel efficiency, and possible engine overheating.

2. What are some potential causes of OBDII code U11E9 indicating Lost Communication With Active Grill Shutter?

- Causes can include damaged wiring or connectors, a faulty active grill shutter motor, a blown fuse, or a malfunctioning control module.

3. How can I diagnose the issue related to OBDII code U11E9 for Lost Communication With Active Grill Shutter?

- Diagnose the problem by checking the wiring and connectors for damage, testing the active grill shutter motor, inspecting the fuse, and using a scan tool to communicate with the control module.

4. Is it safe to drive with the U11E9 OBDII code triggered for Lost Communication With Active Grill Shutter?

- It is generally safe to drive with this code, but it is recommended to have the issue diagnosed and repaired as soon as possible to prevent potential engine performance issues.

5. Can I reset the U11E9 trouble code related to Lost Communication With Active Grill Shutter on my own?

- You can try resetting the code by using an OBDII scanner or disconnecting the car's battery for a few minutes. However, if the underlying issue is not fixed, the code may reappear.

6. What are some repair tips for fixing the U11E9 OBDII code linked to Lost Communication With Active Grill Shutter?

- Repair tips include checking and repairing any damaged wiring, replacing the active grill shutter motor if necessary, ensuring the fuse is intact, and reprogramming or replacing the control module if faulty.

7. Can weather conditions impact the active grill shutter system and trigger the U11E9 code for Lost Communication?

- Extreme weather conditions like heavy snow or ice can potentially affect the active grill shutter system, leading to the U11E9 code. It's essential to keep the system clean and well-maintained.

8. How do I prevent the U11E9 OBDII code associated with Lost Communication With Active Grill Shutter from recurring?

- Prevent code recurrence by regularly inspecting the active grill shutter system, keeping it clean from debris, ensuring proper wiring connections, and addressing any issues promptly.

9. Is the U11E9 OBDII code for Lost Communication With Active Grill Shutter a common issue in certain vehicle models?

- This code is more commonly reported in vehicles equipped with active grill shutter systems, often found in modern cars designed for improved aerodynamics and fuel efficiency.

10. What are the potential consequences of ignoring the U11E9 trouble code related to Lost Communication With Active Grill Shutter?

- Ignoring the code can lead to decreased fuel efficiency, engine performance issues, and potential overheating problems, which may result in costly repairs down the line.