U0140Low Priority
Lost Communication With Body Control Module
Category: Network• CAN Communication
1 articles · 1 makes affected
What is U0140?
Lost Communication with Body Control Module (BCM). Network communication failure with the body control module.
Symptoms You May Notice
- ●Multiple electrical issues
- ●Lights not working
- ●Power windows not working
- ●Door locks not functioning
- ●Gauges inoperative
How to Fix It
- ●Check BCM fuses and relays ($20-$80, beginner)
- ●Repair CAN bus wiring ($150-$500, professional)
- ●Replace BCM ($300-$1000, professional)
- ●Reprogram BCM ($150-$400, professional)
Owner Statistics
Based on 5,435 real owner discussions • 173 confirmed solutions
$6,737
Average Repair Cost
3%
Success Rate
8%
DIY Repairs
5,435
Data Sources
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
Frequently Appears With
These codes often appear together in owner reports. Check these if you see U0140.
- P20682 reports
- U14032 reports
- U01032 reports
- U01002 reports
- U12672 reports
- P04602 reports
- P04632 reports
- P00732 reports
Based on analysis of 16 owner reports where multiple codes appeared together.