U067D
Lost Communication With Fan 4
U067D is an OBD-II diagnostic trouble code meaning: Lost Communication With Fan 4. Common causes: open or short circuit in the fan circuit, fan motor malfunction. Estimated repair cost: $17–67.
Symptoms
- Engine overheating
- Cooling fan not working
- Check Engine Light Illuminates
- Reduced cooling system efficiency
Causes
- Open or short circuit in the fan circuit
- Fan motor malfunction
- Relay or fuse problems
- Control unit malfunction
- Poor contact in connectors
How to Fix
- Check fan fuse and relay
- Inspect the wiring harness for damage
- Check the operation of the fan motor
- Scan the control unit for errors
- Check and clean connector contacts
Related codes
Error U067D by Vehicle Brand
FAQ
What does the U067D code mean?
U067D is an OBD-II diagnostic trouble code that indicates: Lost Communication With Fan 4
What causes a U067D error code?
The most common causes of U067D include: Open or short circuit in the fan circuit; Fan motor malfunction; Relay or fuse problems; Control unit malfunction.
How do I fix a U067D diagnostic trouble code?
To fix U067D: Check fan fuse and relay. Inspect the wiring harness for damage. Check the operation of the fan motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U067D?
Limited driving only, diagnose soon
How much does it cost to fix U067D?
The estimated repair cost for U067D is $17–67. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat