U0141
Lost Communication With Body Control Module A
What it means
U0141 means Lost Communication With Body Control Module A.
Where it lives
For U0141, the description names the module as the part involved.
Check these first
- A wiring or connector fault between Body Control Module A and other modules
- Corrosion or water at Body Control Module A or its connections
- A software or programming fault inside Body Control Module A
- Physical damage to Body Control Module A
- Aftermarket accessories tied into the body wiring
What to do next
- Scan all modules for communication codes
- Inspect the Body Control Module A wiring and connectors
- Check for water damage or corrosion at the module
- Look for aftermarket accessories tapped into the body wiring
- Replace Body Control Module A if the fault returns
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.