AutoCodes – Generic – U11EF

U11EF Code - Lost Communication With Right D-Pillar Impact Acceleration Sensor

Quick Answer

When powered, the Occupant Restraint Controller (ORC) tries to establish and maintain communication with the Impact/Pressure Sensors and validates expected input from sensors. Common causes include Faulty Right D-Pillar Impact Acceleration Sensor, Right D-Pillar Impact Acceleration Sensor harness is open or shorted, Right D-Pillar Impact Acceleration Sensor 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: U11EF indicates Lost Communication With Right D-Pillar Impact Acceleration Sensor.
Common causes: Common causes include Faulty Right D-Pillar Impact Acceleration Sensor, Right D-Pillar Impact Acceleration Sensor harness is open or shorted, Right D-Pillar Impact Acceleration Sensor 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 1,290

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 U11EF Description

When powered, the Occupant Restraint Controller (ORC) tries to establish and maintain communication with the Impact/Pressure Sensors and validates expected input from sensors. This Diagnostic Trouble Code (DTC) sets when the ORC cannot verify the integrity of the wiring or sensor or is unable to maintain communication with the sensor. Once set, this DTC is locked for the entire ignition cycle. The DTC has to qualify again to reset on the next ignition cycle.

OBDII Code U11EF - Lost Communication With Right D-Pillar Impact Acceleration Sensor - AutoCodes.com — U11EF Code - Lost Communication With Right D-Pillar Impact Acceleration Sensor

What does this mean?

What are the Possible Causes of the DTC U11EF?

Faulty Right D-Pillar Impact Acceleration Sensor
Right D-Pillar Impact Acceleration Sensor harness is open or shorted
Right D-Pillar Impact Acceleration Sensor circuit poor electrical connection
Faulty Occupant Restraint Controller (ORC)

How to Fix the DTC U11EF?

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 U11EF 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 U11EF code?

Need more information on how to fix the U11EF code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U11EF code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U11EF Chrysler — Lost Communication With Right D-Pillar Impact Acceleration Sensor
U11EF Dodge — Lost Communication With Right D-Pillar Impact Acceleration Sensor
U11EF Fiat — Lost Communication With Right D-Pillar Impact Acceleration Sensor
U11EF Jeep — Lost Communication With Right D-Pillar Impact Acceleration Sensor
U11EF RAM — Lost Communication With Right D-Pillar Impact Acceleration Sensor

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 U11EF Code

1. What are the common symptoms of OBDII code U11EF?

- Common symptoms include the airbag warning light illuminating on the dashboard and potential issues with the right D-pillar impact acceleration sensor.

2. What can cause the OBDII code U11EF to trigger?

- The code U11EF is typically triggered when there is a communication failure between the vehicle's control module and the right D-pillar impact acceleration sensor.

3. How serious is the OBDII code U11EF related to the right D-pillar impact acceleration sensor?

- This code is considered serious as it indicates a potential problem with a crucial safety component of the vehicle's airbag system.

4. Can a DIY enthusiast fix the U11EF code related to the right D-pillar impact acceleration sensor?

- Repairing the communication issue with the right D-pillar impact acceleration sensor may require professional diagnostic equipment and expertise. It is recommended to seek help from a qualified mechanic.

5. Are there any quick troubleshooting tips for resolving the U11EF code?

- You can start by checking the sensor's wiring harness for any visible damage or loose connections. Resetting the code and monitoring if it reoccurs can also be a good first step.

6. What is the typical repair process for resolving the U11EF code?

- The repair process may involve diagnosing the exact cause of the communication failure, repairing or replacing the sensor, and ensuring proper connection and communication with the vehicle's control module.

7. How can I prevent the U11EF code related to the right D-pillar impact acceleration sensor from occurring again?

- Regular maintenance checks and ensuring the sensor's wiring and connections are in good condition can help prevent the code from reoccurring.

8. Is it safe to continue driving with the U11EF code present?

- It is not recommended to drive with the U11EF code present, as it may indicate a potential issue with the airbag system, compromising safety in the event of a collision.

9. Will resetting the OBDII code U11EF make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue with the right D-pillar impact acceleration sensor is not addressed, the code is likely to reappear.

10. How much does it typically cost to repair the U11EF code related to the right D-pillar impact acceleration sensor?

- The cost of repair can vary depending on the exact cause of the communication failure and the labor rates of the repair shop. It is advisable to get a professional diagnosis for an accurate estimate.