OBD Guide
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U11EB

Lost Communication With Left C-Pillar Impact Acceleration Sensor

U11EB is an OBD-II diagnostic trouble code meaning: Lost Communication With Left C-Pillar Impact Acceleration Sensor. Common causes: broken wiring to the sensor, 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

  • Airbag light is on
  • SRS error message
  • Inoperative left side airbags
  • No response to side impact

Causes

  • Broken wiring to the sensor
  • Short circuit in the sensor circuit
  • Malfunction of the shock sensor itself
  • Problems with connection connectors
  • Contact corrosion

How to Fix

  1. Diagnostics of wiring integrity to the sensor
  2. Checking contacts and connectors for corrosion
  3. Sensor Resistance Testing
  4. Replacing a faulty sensor if necessary
  5. Repair only from an authorized dealer

Related codes

U11EAU11ECB00C0

FAQ

What does the U11EB code mean?

U11EB is an OBD-II diagnostic trouble code that indicates: Lost Communication With Left C-Pillar Impact Acceleration Sensor

What causes a U11EB error code?

The most common causes of U11EB include: Broken wiring to the sensor; Short circuit in the sensor circuit; Malfunction of the shock sensor itself; Problems with connection connectors.

How do I fix a U11EB diagnostic trouble code?

To fix U11EB: Diagnostics of wiring integrity to the sensor. Checking contacts and connectors for corrosion. Sensor Resistance Testing. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U11EB?

Do not drive — repair immediately

How much does it cost to fix U11EB?

The estimated repair cost for U11EB is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat