U11EA
Lost Communication With Left B-Pillar Impact Acceleration Sensor
U11EA is an OBD-II diagnostic trouble code meaning: Lost Communication With Left B-Pillar Impact Acceleration Sensor. Common causes: open circuit in the power supply or data transmission of the sensor, corroded or damaged sensor connector. Estimated repair cost: $50–133.
Symptoms
- Airbag light (SRS) is on
- Security error message on dashboard
- Airbags may not deploy in a side impact
- No communication with the sensor in the diagnostic tool
Causes
- Open circuit in the power supply or data transmission of the sensor
- Corroded or damaged sensor connector
- Faulty left pillar acceleration sensor
- Problems with wiring harness in door/pillar
- SRS control module malfunction
How to Fix
- Check the integrity of the wiring to the sensor
- Inspect and clean the sensor connector contacts
- Test sensor resistance (according to specification)
- Check the power supply at the sensor connector
- Repair only from an authorized dealer
Related codes
FAQ
What does the U11EA code mean?
U11EA is an OBD-II diagnostic trouble code that indicates: Lost Communication With Left B-Pillar Impact Acceleration Sensor
What causes a U11EA error code?
The most common causes of U11EA include: Open circuit in the power supply or data transmission of the sensor; Corroded or damaged sensor connector; Faulty left pillar acceleration sensor; Problems with wiring harness in door/pillar.
How do I fix a U11EA diagnostic trouble code?
To fix U11EA: Check the integrity of the wiring to the sensor. Inspect and clean the sensor connector contacts. Test sensor resistance (according to specification). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U11EA?
Do not drive — repair immediately
How much does it cost to fix U11EA?
The estimated repair cost for U11EA is $50–133. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat