Error code
OBD2 U0143
OBD2U0143
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Lost Communication With Body Control Module 'C'.
Severity
moderateCan be driven, but may experience intermittent issues with electrical systems.
Summary
U0143 indicates that the car's computer system has lost communication with the body control module 'C'. This issue affects data bus communication.
Common Causes
- Faulty or damaged wiring between the vehicle's main computer and the body control module C
- Malfunctioning body control module C
Fixes
FAQ
How can I diagnose U0143?
Consult a professional mechanic or use diagnostic tools like Torque Pro to check the communication between the main computer and body control module C.
What should I do if my car shows U0143?
It's recommended to have a professional diagnose the issue, as it may involve checking wiring or replacing faulty components like the body 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
- 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
- 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'