U0104
Lost Communication With Cruise Control Module
U0104 is an OBD-II diagnostic trouble code meaning: Lost Communication With Cruise Control Module. Common causes: open or short circuit in the communication circuit, cruise control module malfunction. Estimated repair cost: $56–167.
Symptoms
- Cruise control won't turn on
- Fault indication on the dashboard
- No response to cruise control buttons
- Intermittent system operation (in some cases)
Causes
- Open or short circuit in the communication circuit
- Cruise control module malfunction
- Module power problems
- Wiring harness damage
- Software failure in the ECU
How to Fix
- Check fuses related to the cruise control system
- Inspect the wiring harness for damage
- Check power and ground of cruise control module
- Scan the system for additional errors
- If necessary, replace the cruise control module
Related codes
Error U0104 by Vehicle Brand
FAQ
What does the U0104 code mean?
U0104 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Cruise Control Module
What causes a U0104 error code?
The most common causes of U0104 include: Open or short circuit in the communication circuit; Cruise control module malfunction; Module power problems; Wiring harness damage.
How do I fix a U0104 diagnostic trouble code?
To fix U0104: Check fuses related to the cruise control system. Inspect the wiring harness for damage. Check power and ground of cruise control module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0104?
Yes, but get it checked soon
How much does it cost to fix U0104?
The estimated repair cost for U0104 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat