U0141moderate severityNetwork
Lost Communication with Front ECM A
on 1999 BMW 528iT E39 2.8L I6 M52 Touring · RWD
What this code means
Cannot communicate with the front electronic control module A, often managing front body electronics.
Symptoms
- Front lighting issues
- Front park assist not working
- Front wiper issues
- DRL malfunction
Common causes
- Front ECM failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Front-end collision damage
Diagnostic steps
- Check front ECM fuse
- Test power and ground
- Check CAN wiring
- Inspect for collision damage
- Test module directly
Repair notes
Check for front-end damage. Module located in front of vehicle is susceptible to impact and water.
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Other Network codes on this vehicle
CC-ID-181
System Check Failed
CC-ID-207
Central Electronics Failure, Stop Vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High