U0145
NetworkModule Communicationmoderate severityLost Communication With Body Control Module C
What U0145 Means
A module has lost communication with body control module C over the data bus. This affects various body electrical functions.
Symptoms
- Multiple electrical features fail
- Warning lights on dash
- Lights or accessories inoperative
Common Causes
- Faulty bus wiring or connectors
- Corroded or loose ground
- Failed body control module
- Blown fuse or power fault
Diagnostic Steps
- Scan all modules for codes
- Check BCM power and ground
- Inspect CAN wiring for faults
- Measure bus voltages
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Any of these will read and clear this code — pick by how deep you want to go.
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ANCEL AD410 →
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Serious DIY~$100
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Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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