U0064
Vehicle Communication Bus E
U0064 is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus E. Common causes: wiring harness damage, short circuit in communication circuit. Estimated repair cost: $6–167.
Symptoms
- Incorrect operation of several vehicle systems
- The Check Engine light comes on
- Problems starting the engine
- Lost communication with one or more modules
- Infotainment system malfunctions
Causes
- Wiring harness damage
- Short circuit in communication circuit
- Malfunction of one of the electronic modules
- Problems with connectors or poor contact
- Software error in communication module
How to Fix
- Check the integrity of the wiring harness
- Clean and check all connectors in the communication circuit
- Check power and ground of modules
- Scan all modules for additional errors
- Reflash or replace the faulty module
Related codes
Error U0064 by Vehicle Brand
FAQ
What does the U0064 code mean?
U0064 is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus E
What causes a U0064 error code?
The most common causes of U0064 include: Wiring harness damage; Short circuit in communication circuit; Malfunction of one of the electronic modules; Problems with connectors or poor contact.
How do I fix a U0064 diagnostic trouble code?
To fix U0064: Check the integrity of the wiring harness. Clean and check all connectors in the communication circuit. Check power and ground of modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0064?
Yes, but get it checked soon
How much does it cost to fix U0064?
The estimated repair cost for U0064 is $6–167. Actual cost depends on your vehicle, location, and labor rates.
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