U11AD
Lost Communication With Left Side Satellite Impact Sensor 4
U11AD is an OBD-II diagnostic trouble code meaning: Lost Communication With Left Side Satellite Impact Sensor 4. Common causes: broken or damaged wires to the sensor, malfunction of the shock sensor itself. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- The safety system may not work in an accident
- Diagnostic system memory error
- Possible false alarms of the system
Causes
- Broken or damaged wires to the sensor
- Malfunction of the shock sensor itself
- Problems with the airbag control module
- Corrosion of contacts or connectors
- Damage to the wiring harness as a result of an accident or repair
How to Fix
- Check the integrity of the wires and connectors to the sensor
- Check the sensor resistance (compare with reference values)
- Inspect the sensor for mechanical damage
- Check power and ground in the sensor circuit
- Repair only from an authorized dealer
Related codes
FAQ
What does the U11AD code mean?
U11AD is an OBD-II diagnostic trouble code that indicates: Lost Communication With Left Side Satellite Impact Sensor 4
What causes a U11AD error code?
The most common causes of U11AD include: Broken or damaged wires to the sensor; Malfunction of the shock sensor itself; Problems with the airbag control module; Corrosion of contacts or connectors.
How do I fix a U11AD diagnostic trouble code?
To fix U11AD: Check the integrity of the wires and connectors to the sensor. Check the sensor resistance (compare with reference values). Inspect the sensor for mechanical damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U11AD?
Do not drive — repair immediately
How much does it cost to fix U11AD?
The estimated repair cost for U11AD is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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