Error code
OBD2 U0108
OBD2U0108
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Lost Communication With Alternative Fuel Control Module.
Severity
moderateCan be driven, but performance and emissions may be affected.
Summary
U0108 indicates that there is no communication between the OBD-II system and the alternative fuel control module. This issue affects vehicles with alternative fuel systems.
Common Causes
- Faulty or damaged wiring harness connecting to the alternative fuel control module
- Malfunctioning alternative fuel control module
- Corrosion on connectors or terminals
Fixes
FAQ
What does U0108 mean?
U0108 means there is a loss of communication between the OBD-II system and the alternative fuel control module.
How can I fix U0108?
Fixing U0108 typically involves checking for faulty wiring or replacing the alternative fuel control module. Consult with a professional mechanic to diagnose and repair the issue.
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
- U0104Lost Communication With Cruise Control Module
- U0105Lost Communication With Fuel Injector Control Module
- U0106Lost Communication With Glow Plug Control Module
- U0107Lost Communication With Throttle Actuator 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'