U11E9 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 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.
Code U11E9 Description
What are the Possible Causes of the DTC U11E9?
- 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?
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 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 code?
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Get the U11E9 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- U11E9 Chrysler — Lost Communication With Active Grill Shutter
- U11E9 Dodge — Lost Communication With Active Grill Shutter
- U11E9 Fiat — Lost Communication With Active Grill Shutter
- U11E9 Jeep — Lost Communication With Active Grill Shutter
- U11E9 RAM — Lost Communication With Active Grill Shutter
Frequently Asked Questions about U11E9 Code
1. What are the common symptoms of OBDII code U11E9 (Lost Communication With Active Grill Shutter)?
- Common symptoms include the active grill shutters not functioning properly, reduced fuel efficiency, and the check engine light illuminating.
2. What can cause the OBDII code U11E9 to occur?
- The code U11E9 can be triggered by issues such as damaged wiring or connectors, a faulty active grill shutter actuator, or a malfunctioning control module.
3. How can I diagnose the cause of OBDII code U11E9?
- Diagnosing the code U11E9 typically involves inspecting the wiring and connectors related to the active grill shutter system, testing the actuator for proper function, and checking the control module for faults.
4. What are some repair tips for addressing OBDII code U11E9?
- Repair tips for U11E9 may include repairing or replacing damaged wiring, ensuring connectors are secure, replacing a faulty actuator, and reprogramming or replacing the control module if necessary.
5. Can I drive my vehicle with OBDII code U11E9 present?
- It is generally not recommended to drive with the U11E9 code active, as it can affect the performance and efficiency of the active grill shutter system, potentially leading to further issues.
6. How much does it typically cost to repair OBDII code U11E9?
- The cost of repairing U11E9 can vary depending on the specific cause of the issue, but it may involve expenses for parts replacement, labor, and diagnostic services, which could range from a few hundred to over a thousand dollars.
7. Is it possible to reset OBDII code U11E9 without fixing the underlying issue?
- While clearing the code can temporarily turn off the check engine light, it is not recommended to reset the code without addressing the underlying problem, as it may lead to recurring issues and potential vehicle performance issues.
8. How can I prevent OBDII code U11E9 from occurring in the future?
- To prevent the U11E9 code from occurring, regular maintenance checks on the active grill shutter system, timely repairs of damaged wiring, and prompt replacement of faulty components are recommended.
9. Can a DIY enthusiast fix OBDII code U11E9, or is it best left to professionals?
- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address the U11E9 code by following repair guides and utilizing diagnostic equipment. However, complex issues may require professional expertise.
10. Will OBDII code U11E9 cause any long-term damage to my vehicle if left unresolved?
- Leaving the U11E9 code unresolved can potentially lead to reduced fuel efficiency, performance issues, and further damage to components of the active grill shutter system over time, so it's advisable to address the problem promptly.
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