U043B
Invalid Data Received From Front Distance Range Sensor - Left
U043B is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Front Distance Range Sensor - Left. Common causes: left distance sensor malfunction, damage to the wiring harness to the sensor. Estimated repair cost: $100–278.
Symptoms
- Warning light on the dashboard
- Adaptive cruise control failure
- Automatic braking system malfunction
- Parking assistance errors
- Error message on display
Causes
- Left distance sensor malfunction
- Damage to the wiring harness to the sensor
- Poor contact in the sensor connector
- Control unit software error
- Mechanical damage to the sensor (dirt, shock)
How to Fix
- Check the condition of the sensor and its fastening
- Inspect the wiring harness and connectors for damage
- Clean the sensor from dirt
- Check for control unit software updates
- Replace sensor if necessary
Related codes
Error U043B by Vehicle Brand
FAQ
What does the U043B code mean?
U043B is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Front Distance Range Sensor - Left
What causes a U043B error code?
The most common causes of U043B include: Left distance sensor malfunction; Damage to the wiring harness to the sensor; Poor contact in the sensor connector; Control unit software error.
How do I fix a U043B diagnostic trouble code?
To fix U043B: Check the condition of the sensor and its fastening. Inspect the wiring harness and connectors for damage. Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U043B?
Limited driving only, diagnose soon
How much does it cost to fix U043B?
The estimated repair cost for U043B is $100–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat