U11EB Code - Lost Communication With Left C-Pillar Impact Acceleration Sensor
Quick Answer
The impact sensors perform their own self test using power supplied by the Occupant Restraint Controller (ORC) then communicate this status back to the ORC with periodic updates. Common causes include Faulty Left C-Pillar Impact Acceleration Sensor, Left C-Pillar Impact Acceleration Sensor harness is open or shorted, Left C-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
- U11EB indicates Lost Communication With Left C-Pillar Impact Acceleration Sensor.
- Common causes
- Common causes include Faulty Left C-Pillar Impact Acceleration Sensor, Left C-Pillar Impact Acceleration Sensor harness is open or shorted, Left C-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.
Code U11EB Description
What are the Possible Causes of the DTC U11EB?
- Faulty Left C-Pillar Impact Acceleration Sensor
- Left C-Pillar Impact Acceleration Sensor harness is open or shorted
- Left C-Pillar Impact Acceleration Sensor circuit poor electrical connection
- Faulty Occupant Restraint Controller (ORC)
How to Fix the DTC U11EB?
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 U11EB 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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Information for Specific Makes
- U11EB Chrysler — Lost Communication With Left C-Pillar Impact Acceleration Sensor
- U11EB Dodge — Lost Communication With Left C-Pillar Impact Acceleration Sensor
- U11EB Fiat — Lost Communication With Left C-Pillar Impact Acceleration Sensor
- U11EB Jeep — Lost Communication With Left C-Pillar Impact Acceleration Sensor
- U11EB RAM — Lost Communication With Left C-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.
Frequently Asked Questions about U11EB Code
1. What does the OBDII code U11EB mean?
U11EB indicates a loss of communication with the left C-pillar impact acceleration sensor, which is part of the vehicle's safety system for detecting side impacts.
2. What are the symptoms of code U11EB?
Common symptoms include an illuminated check engine light or airbag warning light, potential deactivation of side airbags, and possible errors in other safety systems.
3. What causes the U11EB code to appear?
The code can be triggered by a faulty C-pillar impact sensor, damaged wiring or connectors, a software glitch in the module, or loss of power or ground to the sensor.
4. Is it safe to drive with the U11EB code active?
While the vehicle may still be drivable, safety systems like side airbags could be compromised, so it’s recommended to address the issue promptly.
5. How is the U11EB code diagnosed?
A technician will use a scan tool to confirm the code, inspect the left C-pillar sensor, check for damaged wiring or loose connections, and test for proper voltage and ground.
6. Can I fix the U11EB code myself?
If you’re experienced with automotive repairs, you can inspect the wiring and connectors for damage or corrosion. Replacing the sensor or repairing wiring may resolve the issue, but professional diagnostics are often recommended.
7. How much does it cost to repair the U11EB code?
Repair costs vary, but replacing the left C-pillar sensor typically ranges from $100 to $300, including parts and labor. Wiring repairs may cost less if no part replacement is needed.
8. Can a software update fix the U11EB code?
In some cases, a software update to the vehicle’s control module may resolve communication errors, but this depends on the manufacturer’s recommendations.
9. What tools are needed to diagnose U11EB?
A professional-grade OBDII scan tool, multimeter, and wiring diagram for the vehicle are essential for diagnosing and repairing this code.
10. What happens if the U11EB code is ignored?
Ignoring the code can lead to compromised safety features, such as malfunctioning side airbags during a collision, increasing the risk of injury.
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