Error code
OBD2 U0104
OBD2U0104
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Lost Communication With Cruise Control Module.
Severity
moderateCan drive, but cruise control functions will not work.
Summary
U0104 indicates lost communication with the cruise control module, which is part of the data bus system.
Common Causes
- Faulty or damaged wiring between the vehicle's main computer and the cruise control module
- Cruise control module failure
Fixes
FAQ
How can I fix U0104?
The issue may require checking the wiring and possibly replacing the cruise control module.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- U0100Lost Communication With ECM/PCM A
- U0101Lost Communication with TCM
- U0102Lost Communication with Transfer Case Control Module
- U0103Lost Communication With Gear Shift Module
- U0105Lost Communication With Fuel Injector Control Module
- U0106Lost Communication With Glow Plug Control Module
- U0107Lost Communication With Throttle Actuator Control Module
- U0108Lost Communication With Alternative Fuel Control Module
- U0109Lost Communication With Fuel Pump Control Module
- U0110Lost Communication With Drive Motor Control Module
- U0111Lost Communication With Battery Energy Control Module 'A'
- U0112Lost Communication With Battery Energy Control Module 'B'