Error code
OBD2 U0141
OBD2U0141
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Lost Communication With Body Control Module 'A'.
Severity
highCan drive, but may experience intermittent issues with vehicle features controlled by the BCM
Summary
U0141 indicates that there is no communication between the OBD-II system and the Body Control Module (BCM) A, which can affect various vehicle functions.
Symptoms
- Check engine light is on
- Vehicle may experience intermittent or complete loss of certain features controlled by BCM
Common Causes
- Faulty body control module (BCM)
- Data bus communication failure between modules
- Loose or damaged wiring harness connecting BCM to other modules
Diagnosis
- Use a diagnostic tool like Torque Pro to check for additional codes
- Inspect and test the wiring harness connecting BCM A to other modules
Fixes
- Replace faulty body control module (BCM)
FAQ
What does U0141 mean?
U0141 means there is a communication issue between the OBD-II system and the Body Control Module A.
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'