U05B4
Invalid Data Received From Driver Monitoring System Module
U05B4 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Driver Monitoring System Module. Common causes: malfunction of driver monitoring sensors, damage to the wiring harness to the module. Estimated repair cost: $56–167.
Symptoms
- Error message on the dashboard
- Disabling driver monitoring systems
- Incorrect operation of security systems
- No fatigue warnings
- Security light flashing
Causes
- Malfunction of driver monitoring sensors
- Damage to the wiring harness to the module
- Software error in the monitoring module
- Module power problems
- Corrosion of contacts or connectors
How to Fix
- Check the condition of the sensors and monitoring camera
- Check the integrity of the wiring harness and connectors
- Scan the module for software errors
- Check the module supply voltage
- Repair only from an authorized dealer
Related codes
Error U05B4 by Vehicle Brand
FAQ
What does the U05B4 code mean?
U05B4 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Driver Monitoring System Module
What causes a U05B4 error code?
The most common causes of U05B4 include: Malfunction of driver monitoring sensors; Damage to the wiring harness to the module; Software error in the monitoring module; Module power problems.
How do I fix a U05B4 diagnostic trouble code?
To fix U05B4: Check the condition of the sensors and monitoring camera. Check the integrity of the wiring harness and connectors. Scan the module for software errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U05B4?
Yes, but get it checked soon
How much does it cost to fix U05B4?
The estimated repair cost for U05B4 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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