U065B
Lost Communication With Left Front Mode Actuator
U065B is an OBD-II diagnostic trouble code meaning: Lost Communication With Left Front Mode Actuator. Common causes: broken or damaged wiring harness, left front safety module malfunction. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- Security system disabled
- Error when diagnosing the SRS system
- Seat belt pretensioners do not work
Causes
- Broken or damaged wiring harness
- Left front safety module malfunction
- Module power problems
- Contact corrosion
- Security ECU malfunction
How to Fix
- Check the integrity of the wiring harness
- Check the power supply and ground of the module
- Inspect contacts for corrosion
- Test the module on another car
- Repair only from an authorized dealer
Related codes
Error U065B by Vehicle Brand
FAQ
What does the U065B code mean?
U065B is an OBD-II diagnostic trouble code that indicates: Lost Communication With Left Front Mode Actuator
What causes a U065B error code?
The most common causes of U065B include: Broken or damaged wiring harness; Left front safety module malfunction; Module power problems; Contact corrosion.
How do I fix a U065B diagnostic trouble code?
To fix U065B: Check the integrity of the wiring harness. Check the power supply and ground of the module. Inspect contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U065B?
Do not drive — repair immediately
How much does it cost to fix U065B?
The estimated repair cost for U065B is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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