OBD Guide

U11ED

Lost Communication With Right B-Pillar Impact Acceleration Sensor

U11ED is an OBD-II diagnostic trouble code meaning: Lost Communication With Right B-Pillar Impact Acceleration Sensor. Common causes: right b-pillar crash sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The airbag light on the dashboard is on
  • The safety system may not work in an accident
  • Diagnostic system memory error
  • Possible problems with other systems using the CAN bus

Causes

  • Right B-pillar crash sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Damage to the wiring harness in the area of the right pillar
  • Airbag module malfunction

How to Fix

  1. Diagnose the security system using a scanner
  2. Check the integrity of the sensor wiring and connectors
  3. Test resistance and sensor signals
  4. If necessary, replace the shock sensor
  5. Repair only from an authorized dealer

Related codes

FAQ

What does the U11ED code mean?

U11ED is an OBD-II diagnostic trouble code that indicates: Lost Communication With Right B-Pillar Impact Acceleration Sensor

What causes a U11ED error code?

The most common causes of U11ED include: Right B-pillar crash sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Damage to the wiring harness in the area of the right pillar.

How do I fix a U11ED diagnostic trouble code?

To fix U11ED: Diagnose the security system using a scanner. Check the integrity of the sensor wiring and connectors. Test resistance and sensor signals. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U11ED?

Do not drive — repair immediately

How much does it cost to fix U11ED?

The estimated repair cost for U11ED is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat