U11EC
Lost Communication With Left D-Pillar Impact Acceleration Sensor
U11EC is an OBD-II diagnostic trouble code meaning: Lost Communication With Left D-Pillar Impact Acceleration Sensor. Common causes: malfunction of the shock sensor in the left pillar, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- The airbag light on the dashboard is on
- Diagnostic system shows errors related to the security system
- There may be problems with the operation of other systems associated with this sensor
- In some cases, airbags may not deploy in an accident.
Causes
- Malfunction of the shock sensor in the left pillar
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Damage to wiring due to corrosion or mechanical stress
- Security ECU malfunction
How to Fix
- Diagnose the security system using a scanner
- Check the integrity of the wiring harness to the sensor
- Inspect the sensor connector for oxidation or damage.
- If necessary, replace the shock sensor
- Repair only from an authorized dealer
Related codes
FAQ
What does the U11EC code mean?
U11EC is an OBD-II diagnostic trouble code that indicates: Lost Communication With Left D-Pillar Impact Acceleration Sensor
What causes a U11EC error code?
The most common causes of U11EC include: Malfunction of the shock sensor in the left pillar; Open or short circuit in wiring harness; Poor contact in the sensor connector; Damage to wiring due to corrosion or mechanical stress.
How do I fix a U11EC diagnostic trouble code?
To fix U11EC: Diagnose the security system using a scanner. Check the integrity of the wiring harness to the sensor. Inspect the sensor connector for oxidation or damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U11EC?
Do not drive — repair immediately
How much does it cost to fix U11EC?
The estimated repair cost for U11EC is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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