Engine-CodesChrysler – U11ED Chrysler

U11ED Chrysler Code - Lost Communication With Right B-Pillar Impact Acceleration Sensor

Quick Answer

The U11ED Chrysler diagnostic trouble code (DTC) indicates that there is a communication failure with the right B-pillar impact acceleration sensor in the vehicle. Common causes include Damaged wiring harness or connectors leading to the right B-pillar impact acceleration sensor, Malfunctioning impact acceleration sensor itself, Faulty control module that processes data from the sensor. 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
U11ED Chrysler indicates Lost Communication With Right B-Pillar Impact Acceleration Sensor.
Common causes
Common causes include Damaged wiring harness or connectors leading to the right B-pillar impact acceleration sensor, Malfunctioning impact acceleration sensor itself, Faulty control module that processes data from the sensor.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code U11ED Chrysler Description

The U11ED Chrysler diagnostic trouble code (DTC) indicates that there is a communication failure with the right B-pillar impact acceleration sensor in the vehicle. This sensor is responsible for detecting sudden impacts or collisions on the right side of the vehicle and relaying this information to the vehicle's airbag system and other safety systems. When communication with this sensor is lost, it can lead to potential safety hazards in the event of an accident, as the airbags may not deploy or deploy incorrectly.

OBDII Code U11ED Chrysler - Lost Communication With Right B-Pillar Impact Acceleration Sensor
U11ED Chrysler Code - Lost Communication With Right B-Pillar Impact Acceleration Sensor

Common Causes of U11ED Chrysler

  1. Damaged wiring harness or connectors leading to the right B-pillar impact acceleration sensor.
  2. Malfunctioning impact acceleration sensor itself.
  3. Faulty control module that processes data from the sensor.
  4. Corrosion or water damage affecting the sensor or its connections.
  5. Previous collision or impact that damaged the sensor or its mounting location.

Symptoms of U11ED Chrysler

  1. Airbag warning light illuminated on the dashboard.
  2. Inability to reset the airbag warning light after clearing the code.
  3. Fault codes related to other safety systems or airbag components.
  4. Issues with other safety systems such as seat belt pretensioners or side impact sensors.

How to Fix U11ED Chrysler

  1. Begin by conducting a visual inspection of the wiring harness and connectors leading to the right B-pillar impact acceleration sensor. Look for any signs of damage, corrosion, or loose connections. Repair or replace any damaged components as necessary.
  2. Test the impact acceleration sensor using a diagnostic tool to determine if it is functioning correctly. Replace the sensor if it fails the test.
  3. Check the control module for any fault codes related to communication with the sensor. Reset the control module and clear any stored codes. If the issue persists, consider replacing the control module.
  4. Clear the U11ED code from the vehicle's onboard computer using a diagnostic scanner. Ensure that the code does not return after clearing it.
  5. Perform a final test drive to verify that the airbag system and other safety systems are functioning properly after the repair.

Cost to Fix U11ED Chrysler

The typical repair costs for addressing the U11ED Chrysler code can vary depending on the specific cause of the issue and the labor rates in your area. In general, you can expect to pay anywhere from $200 to $500 for parts and labor to resolve this issue. Keep in mind that diagnostic time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. It's advisable to consult with a trusted mechanic or dealership to get a more accurate estimate for your specific situation.

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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 U11ED Chrysler Code

1. What are the common symptoms of OBDII code U11ED in a Chrysler related to the right B-pillar impact acceleration sensor?

- Common symptoms include the airbag warning light illuminating on the dashboard, loss of communication with the impact sensor, and potential issues with the airbag system.

2. What causes the OBDII code U11ED indicating a lost communication with the right B-pillar impact acceleration sensor in a Chrysler?

- The code U11ED can be triggered by wiring issues, a faulty impact sensor, a blown fuse, or a problem with the airbag control module.

3. How serious is the U11ED code for the right B-pillar impact acceleration sensor in a Chrysler?

- This code is considered serious as it relates to the proper functioning of the airbag system, which is crucial for occupant safety in the event of a collision.

4. How can I diagnose the U11ED code related to the right B-pillar impact acceleration sensor in my Chrysler?

- Diagnosis involves using a scan tool to retrieve the specific code, checking the wiring and connections to the impact sensor, and testing the sensor itself for functionality.

5. Can I continue driving my Chrysler with the U11ED code indicating a communication issue with the right B-pillar impact sensor?

- It is not recommended to drive the vehicle with this code present, as it may affect the proper deployment of the airbags in the event of a collision.

6. What are some repair tips for addressing the U11ED code in a Chrysler due to a lost communication with the right B-pillar impact sensor?

- Repair tips include checking and repairing any damaged wiring, replacing the impact sensor if faulty, and ensuring all connections are secure and free of corrosion.

7. Is it possible to reset the U11ED code related to the right B-pillar impact sensor in a Chrysler without addressing the underlying issue?

- Resetting the code without fixing the root cause will likely result in the code reappearing once the system detects the ongoing communication issue.

8. How much does it typically cost to repair the U11ED code for the right B-pillar impact sensor in a Chrysler?

- Repair costs can vary depending on the specific issue, but it may involve expenses for parts replacement, labor, and diagnostic fees.

9. Are there any safety concerns associated with driving a Chrysler with the U11ED code for the right B-pillar impact sensor?

- Yes, there are safety concerns as the code indicates a potential problem with the airbag system, which could compromise occupant protection in a collision.

10. Can a DIY enthusiast with automotive knowledge address the U11ED code related to the right B-pillar impact sensor in a Chrysler?

- While some DIYers may have the skills to diagnose and repair the issue, working on the airbag system can be complex and potentially dangerous, so professional assistance is recommended.

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